since 2000
Alphabetic File Extension List: a
The file extension list you requested is shown on this page. It loads as a table so please give it a moment as some of the lists are quite long. These lists contain basic information: the extension, the name of the program it works with, the specific function of the file, and the company that makes the program. Not all extensions have all of the data. Click on the extension of interest to see the detail page for that extension. Total extensions in this particular list: 1784.
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| Extension | Information |
| A | ar compressed archive (ar community) |
| A | Calibre book (Kovid Goyal) |
| A | Free Pascal static object code library (Free Pascal Team) |
| A | GCC static object code library (Free Software Foundation) |
| A | GNAT Studio static object code library (AdaCore) |
| A | Image Alchemy alpha channel image data (Handmade Software) |
| A | Java SDK compiled code (Oracle) |
| A | SASM static object code library (Dmitriy Manushin) |
| A | Writer text document (Apache) |
| A00 | ALZip split archive file (ESTsoft) |
| A00 | ARJ split archive file (Robert K. Jung) |
| A000 | Camtasia Studio Split video |
| A001 | various archiving/splitting utilities Split archive part |
| A01 | ALZip split archive file (ESTsoft) |
| A01 | ARJ split archive file (Robert K. Jung) |
| A01 | CompuServe system operator file (Verizon) |
| A018 | Redemption file Data Storage |
| A02 | Archive Section |
| A02 | OzWin CompuServe E-mail/Forum Access SYSOP File |
| A03 | annotare ava 04 Project File (annotare.net) |
| A03 | Archive Section |
| A03 | OzWin CompuServe E-mail/Forum Access SYSOP File |
| A04 | Archive Section |
| A04 | OzWin CompuServe E-mail/Forum Access SYSOP File |
| A05 | Archive Section |
| A05 | OzWin CompuServe E-mail/Forum Access SYSOP File |
| A06 | Archive Section |
| A06 | Lotto Pro 2002 Smart Number Ticket |
| A06 | OzWin CompuServe E-mail/Forum Access SYSOP File |
| A07 | Archive Section |
| A07 | OzWin CompuServe E-mail/Forum Access SYSOP File |
| A07 | TaxCalc Tax File (Acorah Software Products Ltd.) |
| A08 | Archive Section |
| A08 | OzWin CompuServe E-mail/Forum Access SYSOP File |
| A09 | Archive Section |
| A09 | OzWin CompuServe E-mail/Forum Access SYSOP File |
| A1 | Free Pascal Archive File for GO321v1 Platform (FPC Development Team) |
| A10 | OzWin CompuServe E-mail/Forum Access SYSOP File |
| A11 | AOL Instant Messenger (AIM) Graphic (America Online, Inc.) |
| A2 | Apple II operating system Golden Orchard Apple II CD Rom file |
| A21 | Soundweb Firmware File (BSS Audio) |
| A2A | APLASCII EISPACK |
| A2A | IBM Voice Type Language Vocabels File |
| A2A | Sharp APL Workspace Export File |
| A2B | A2B Player Playlist (DigitalPhono.com) |
| A2C | Alice Scene File (Carnegie Mellon University) |
| A2L | ASAP2 Tool-Set electronic circuit description (Vector) |
| A2M | AdLib Tracker 2 |
| A2M | AudioToMidi Settings |
| A2P | Astrotite 200X, AstroA2P Astrotite 200X Online Data repair File for AstroA2P (Fantiusen Software) |
| A2R | KittyXplorer Encrypted Archive (MyPlanet Software) |
| A2W | Alice Program (World) File (Carnegie Mellon University) |
| A3 | Unrelated Inventions Audiotools Show Log |
| A31 | Authorware Ver. 3.x Library (Adobe Systems Incorporated) |
| A3D | Amapi 3D Model File (Eovia) |
| A3K | Yamaha A3000 Sampler File (Yamaha Corporation of America) |
| A3L | Authorware Ver. 3.x Library (Adobe Systems Incorporated) |
| A3M | Authorware Unpackaged Macintosh FIle (Adobe Systems Incorporated) |
| A3W | Authorware Unpackaged Windows File (Adobe Systems Incorporated) |
| A41 | Authorware Ver. 4.x Library (Adobe Systems Incorporated) |
| A4L | Authorware Ver. 4.x Library (Adobe Systems Incorporated) |
| A4M | Authorware Unpackaged Macintosh File (Adobe Systems Incorporated) |
| A4P | Authorware File Without Runtime (Adobe Systems Incorporated) |
| A4R | Authorware Packaged Course File (Adobe Systems Incorporated) |
| A4W | Authorware Unpackaged Windows File (Adobe Systems Incorporated) |
| A51 | Authorware Ver. 5.x Library (Adobe Systems Incorporated) |
| A52 | Atari 5200 Game Image (Atari) |
| A5L | Authorware Ver. 5.x Library (Adobe Systems Incorporated) |
| A5W | Alpha Five Web Publishing Page (Alpha Software, Inc.) |
| A5W | Authorware Unpackaged Windows File (Adobe Systems Incorporated) |
| A60 | Roland Garros Tennis MVTS File |
| A64 | Artist 64 |
| A64 | Nintendo 64 Memory Pak Note Hex Export (Nintendo) |
| A65 | Authorware v6.5 File (Adobe Systems Incorporated) |
| A68 | PDP-10 Algol-68 Compiler Source |
| A6P | Authorware Application (Adobe Systems Incorporated) |
| A78 | Atari 7800 ROM Image (Atari) |
| A7S | A7S Player autosave backup |
| A8 | Cubicomp PictureMaker 24bit 3D Animation |
| A8 | Image Alchemy File (Handmade Software, Inc.) |
| A86 | A86 Assembler Source Code |
| AA | Audio Book |
| AA | PROGNOSIS Automated Analyst Document File |
| AAA | App Cam Automation |
| AAA | Softphrase Automation File |
| AAA | Sybase SQLAnywhere Temp File |
| AAA | Xtal Backup |
| AAB | Authorware Binary (Adobe Systems Incorporated) |
| AAC | iTunes music (Apple) |
| AAC | RealPlayer music (RealNetworks) |
| AAC | VLC Media Player music (VideoLAN) |
| AAC | Winamp music (Raidonomy) |
| AAE | Photos image editing data file (Apple) |
| AAF | Logic Pro audio project multimedia data (Apple) |
| AAF | Media Composer video project multimedia data (Avid) |
| AAF | Premiere Pro video project multimedia data (Adobe) |
| AAM | Authorware Shocked File (Map) (Adobe Systems Incorporated) |
| AAMV | Alipay Ant Forest Video |
| AAO | Agenda at Once Database File (Dataland Software) |
| AAO | America's Army Map |
| AAP | Apollo Advanced Playlist |
| AAP | LexNavigator Information Update (UltraTech Group) |
| AAPKG | ArchestrA IDE Package (Invensys) |
| AAR | Android Studio application library (Google & JetBrains) |
| AAR | Axis web service deployment package (Apache) |
| AAR | Groove Coaster data (Taito) |
| AAS | Archos Signed/Encrypted Data (ARCHOS) |
| AAS | Audible Words File (Audible, Inc.) |
| AAS | Authorware Shocked Packet (Segment) (Adobe Systems Incorporated) |
| AAS | Bong Script File |
| AAS | Movie Clip; Autodesk Animation Setup; used by Compton's Reference Collection |
| AAS | Star Trek Elite Force Bot Support File (Raven Software) |
| AAT | Arcinfo Line Data Attribute Data |
| AATREND | ActiveFactory Trend File (Invensys Systems, Inc.) |
| AAWS | Varian AA software Spectroscopy data storage |
| AAX | Audible audiobook (Audible) |
| AAX | iTunes audiobook (Apple) |
| AAXC | Audible Enhanced Audiobook |
| AB | Android SDK system backup (Google) |
| AB | Builder data (Applix) |
| AB | DNA Baser DNA sequence (Heracle BioSoft) |
| AB | Unity compressed assets (Unity) |
| AB$ | AutoCAD Spooled Plot (Autodesk, Inc.) |
| AB0 | various Firmware Firmware Update |
| AB1 | BioEdit DNA electropherogram file (Tom Hall) |
| AB1 | Chromas DNA electropherogram file (Technelysium) |
| AB1 | Sequencing Analysis Software DNA electropherogram file (Applied Biosystems) |
| AB1 | SnapGene DNA electropherogram file (GSL Biotech) |
| AB2 | Parson's Address Book |
| AB3 | PhotoImpact Album File |
| AB4 | ENIAC Computing AB4 Accounting & Business File |
| AB6 | AB Stat Data |
| AB8 | AB Stat Data |
| ABA | Address Book data backup file (Palm, Inc.) |
| ABA | Browser plugin file (Avant Force) |
| ABAP | ABAP Source Code (SAP AG) |
| ABBU | Address Book data backup file (Apple, Inc) |
| ABC | 3DS Max animation (Autodesk) |
| ABC | 7Zip data (Igor Pavlov) |
| ABC | ABC source code (Centrum Wiskunde & Informatica) |
| ABC | Act! e-mail address book (Act!) |
| ABC | Athena Archiver address book (Athena Archiver) |
| ABC | EasyABC musical notation (Nils Liberg) |
| ABC | F.E.A.R 3D Model (Warner Bros.) |
| ABC | FlowCharter data (iGrafx) |
| ABC | Meshroom meshes and pointclouds (AliceVision) |
| ABC | Pro-Act data (Elcbenelux) |
| ABCDDB | Apple Contacts (macOS) / Contacts (iOS) Contact Database |
| ABCDDB-SHM | Address Book Cocoa Plugin Address Book Index |
| ABCDI | iOS/macOS Address Book Address Book Data |
| ABCDP | Apple Contacts Contact Data |
| ABD | Adventure Builder Database |
| ABD | AmBiz Bonus Calculator Data File |
| ABD | The Bat! Address Book (RITLABS) |
| ABF | Binary Screen Font font file (Adobe Systems Inc.) |
| ABF | SQL Server database backup file (Microsoft) |
| ABG | Fifa World Cup Game Data File |
| ABI | ABI-Coder (Adam Berent) |
| ABI | AbiWord AbiWord plugin (AbiSource) |
| ABI | AOL Desktop backup data (Verizon Media) |
| ABI | BioEdit raw DNA data file (Tom Hall) |
| ABI | ChromasPro raw DNA data file (Technelysium) |
| ABI | DNA Baser raw DNA data file (Heracle BioSoft) |
| ABI | dnaLIMS raw DNA data file (dnaTools) |
| ABK | Address Book address book backup file (Canon Australia Pty Ltd) |
| ABK | AMOS backup file (IBM) |
| ABK | Any Automatic Backup |
| ABK | Embedded Compact backup file (Microsoft Corporation) |
| ABK | Graphics suite graphics file (CorelDRAW) |
| ABK | MyBackup Pro backup file (RerWare, LLC.) |
| ABK | Need for Speed: Underground audio backup file (Electronic Arts, Inc.) |
| ABK | Office backup file (Ability Software International) |
| ABL | ADONIS Application Library Export (BOC Group) |
| ABL | Maxagrid Avails Data File |
| ABL | Xilinx Integrated Software Environment ABEL Hardware Description Language (Xilinx, Inc.) |
| ABM | Alpha Anywhere database export (Alpha) |
| ABM | ANNO 2070 texture (Ubisoft) |
| ABM | Audition music album (Redbana) |
| ABM | HitPlayer music album (Digigram) |
| ABM | Photo Impressions photo album (ArcSoft) |
| ABO | Applix Builder Turbo |
| ABP | AVS Barcode Source Barcode Profile (Alver Valley Software) |
| ABR | Photoshop brush (Adobe) |
| ABS | AB SuDoKu saved game (Andrei Baronov) |
| ABS | Abscissa data (Rüdiger Brühl) |
| ABS | Absolute Database single-file database (ComponentAce) |
| ABS | Absolute Packager configuration (Xceed) |
| ABS | Avant Browser skin (Avant Force) |
| ABS | GCC executatle (GNU Project) |
| ABS | Media Player audio clip (Microsoft) |
| ABS | Openbox set-top box firmware (Openbox Developers) |
| ABS | Sublime document abstract (Sublime) |
| ABS | XnView image (XnSoft) |
| ABT | Baby tracker Sleep Tracker (Amila) |
| ABT | Car diagnostic data Car diagnostic data (FORScan) |
| ABT | The Arbiter Sports Official Schedule |
| ABU | ACT! crm data backup file (Swiftpage) |
| ABU1 | Backup backup file (ASUSTeK Computer Inc) |
| ABW | AbiWord document (AbiSource Community) |
| ABX | WordPerfect Address Book File (Corel Corporation) |
| ABY | AOL Address Book (America Online, Inc.) |
| ABZ | AbszOrb |
| AC | AC3D geometry/model definition (Inivis) |
| AC | ACwin project (Procedimientos-Uno) |
| AC | Ancestral Quest database (Incline) |
| AC | Autoconf script (Free Software Foundation) |
| AC | Working Papers data (CaseWare) |
| AC$ | AutoCAD Undo Info (Autodesk, Inc.) |
| AC1 | Weaver Spider Software (Weaver Spider Software) |
| AC2 | Apple II operating system Golden Orchard Apple II CD Rom file |
| AC3 | QuickTime movie audio/music (Apple) |
| AC3 | SPICE AC/frequency domain output (National Instruments) |
| AC3 | VLC movie audio/music (VideoLAN) |
| ACA | Agent Character (Microsoft Corporation) |
| ACA | Project Manager Workbench File |
| ACAD | AutoCAD Database (Autodesk, Inc.) |
| ACAS | Advanced CATaloguer Pro Temporary File (Evgeny Software) |
| ACB | AOL archived data (Verizon) |
| ACB | AutoCAD color book (Autodesk) |
| ACB | Photoshop color book (Adobe) |
| ACB | VGMToolbox audio package (Snakemeat) |
| ACC | AccentDuo AccentDuo document (Accent Software) |
| ACC | GEM desktop accessory executable file (Digital Research) |
| ACC | Graphic Accounts financial account information file (FKJ Software) |
| ACC | Image Composer raster image (Microsoft) |
| ACC | TOS desktop accessory executable file (Atari) |
| ACC | ViewMAX desktop accessory executable file (Digital Research) |
| ACCDB | Access database (Microsoft) |
| ACCDE | Access execute-only database (Microsoft) |
| ACCDR | Access database runtime application (Microsoft) |
| ACCDT | MS Office Access MS Office Access (Microsoft Corporation) |
| ACCESS | Java Access Control File (Sun) |
| ACD | ACID audio project (Magix) |
| ACD | Agent character definition (Microsoft) |
| ACD | Alan game data (Michael Arnaud) |
| ACD | allCLEAR Flowcharter flowcharting data (Proquis) |
| ACD | Assetto Corsa race car data (505 Games) |
| ACD | AutoCAD drawing (Autodesk) |
| ACD | Chromeleon channel raw data (ThermoFisher) |
| ACD | NASCAR Racing 2002 arcade car setup (Electronic Arts) |
| ACD | RSLogix 5000 project (Rockwell Automation) |
| ACE | AceDB bioinformatics database file (Jean Thierry-Mieg and Richard Durbin) |
| ACE | Aces200 bitmap image file |
| ACE | BioPerl bioinformatics database file (The Open Bioinformatics Foundation) |
| ACE | Casting Electronic Enterprise CV Archive (Casting Electronic) |
| ACE | Jupiter Ace snapshot file (Jupiter Cantab) |
| ACE | PeaZip compressed archive file (PeaZip) |
| ACE | The Unarchiver compressed archive file (The Unarchiver) |
| ACE | Train Simulator texture file (Microsoft) |
| ACE | WinAce compressed archive file (e-merge) |
| ACE | WinRAR compressed archive file (WinRar) |
| ACF | AdviceCalculator AdviceCalculator file (JRK Software) |
| ACF | Agent character data file (Microsoft) |
| ACF | DB/TextWorks database Access Control File (Inmagic) |
| ACF | Photoshop custom kernel file (Adobe) |
| ACF | Spectramap application colors file (Coloritto BV) |
| ACF | Steam cache file (Valve) |
| ACF | X-Plane plane description file (Laminar Research) |
| ACG | Age of Wonders Saved Game (Triumph Studios) |
| ACG | Agent Preview (Microsoft Corporation) |
| ACGD | ACG Case-Mix System ACG Predictive Model (Johns Hopkins University) |
| ACGI | AppleSearch CGI Interface |
| ACGL | ACG Case-Mix System License File (Johns Hopkins University) |
| ACH | Medlin Accounting Automated Clearing House File (Medlin Accounting) |
| ACH | Payroll Mate 2008 Automated Clearing House File (RealTaxTools.com) |
| ACH | Rockwell Software Logix 5 File |
| ACH | Speccy Snapshot |
| ACI | ACI Development Appraisal |
| ACK | various network protocols and file transfer software Message Acknowledgement |
| ACK_ | Shipping or customs software Acknowledge data receipt |
| ACL | ACL Desktop data (ACL) |
| ACL | ArchiCrypt secure data volume (Exklamate) |
| ACL | CorelDRAW keyboard accelerator data (Corel) |
| ACL | Office autocorrect list (Microsoft) |
| ACL | RaidenFTPD rights (Raiden) |
| ACL | setfacl access control list (setfacl Developers) |
| ACLOCK | Amazing clock (Amazing-Clock.com) |
| ACM | American Civil War data (iEntertainment Network) |
| ACM | AmigaOS bitmap (Hyperion) |
| ACM | Audio Compression Manager driver (Microsoft) |
| ACM | Baldur's Gate compressed sound (Beamdog) |
| ACM | Infinity Engine sound (BioWare) |
| ACM | Photoshop command button settings (Adobe) |
| ACM | Visual SourceSafe module data (Microsoft) |
| ACMB | Graphics File |
| ACMD | Apache Commander Project (Zecos Software) |
| ACO | ArCon object collection data file (TRIXL) |
| ACO | Fast-Talk acoustic model file (Fast-Talk Communications) |
| ACO | Photoshop color swatch file (Adobe) |
| ACORN | Acorn Image (Apple Inc.) |
| ACP | ACB Compressed File Archive |
| ACP | Acrobat Paper Capture Temporary File (Adobe Systems Incorporated) |
| ACP | Action! Document (Macromedia) |
| ACP | ArCon Project (ArCon-Shop.com) |
| ACP | EditPlus Auto Completion File (ES-Computing) |
| ACP | Office Assistant Preview File (Microsoft Corporation) |
| ACP | TCPDUMP Style Capture |
| ACQ | AcqURL |
| ACQ | AcquTach+ (Acquisition Systems) |
| ACR | American College of Radiology (American College of Radiology) |
| ACR | Audio Comparer audio backup file (Bolide Software) |
| ACR | EntityData Command in Minecraft file |
| ACR | Medlin Accounting backup file (Medlin Software, Inc.) |
| ACR | Radiant Dicom viewer backup file (Medixant) |
| ACREPLAY | Assetto Corsa Competizione Race replay |
| ACS | 7-Zip compressed data (Igor Pavlov) |
| ACS | ActionDirector video project (CyberLink) |
| ACS | Agent character (Microsoft) |
| ACSM | Digital Editions content server message (Adobe) |
| ACSX | ACSEL-MCD Access Session Control |
| ACT | Action! presentation (Adobe) |
| ACT | Almacam Space Cut CAD/CAM data and cutting instructions (Alma) |
| ACT | Animation:Master animation (Hash) |
| ACT | Audacity voice recording (The Audacity Team) |
| ACT | Dragon Nest game character skill (SEA) |
| ACT | Experimenter's WorkBench psychological data (DataWave) |
| ACT | Genesis3D actor (Genesis3D Community) |
| ACT | Office actor (Microsoft) |
| ACT | Photoshop color table (Adobe) |
| ACT | Stronghold campaign map (Firefly) |
| ACT | Train Simulator activity (Microsoft) |
| ACT | Visual Foxpro action diagram (Microsoft) |
| ACT3D | Actify SpinFire 3D preview container |
| ACTBIN | Action Replay Save Files |
| ACTION | Acrobat document (Adobe) |
| ACTION | Automator macro (Apple) |
| ACTIONS | Photoline4 Defaults File |
| ACTIONSCRIPT | Flash ActionScript Source Code (Adobe Systems Incorporated) |
| ACTPROJ | Visual Studio .NET ACT Project (Microsoft Corporation) |
| ACTSTR | KiriKiri game engine KiriKiri audio |
| ACTT | Active Directory Replication Status Tool Active Directory Audit |
| ACU | ACUCOBOL-GT Intermediate Object File (Acucorp, Inc.) |
| ACU | AppleLink-PE Compression Format |
| ACV | Audition Online compressed game archive (T3 Entertainment) |
| ACV | OS/2 audio driver file (IBM) |
| ACV | Photoshop adjustment curve file (Adobe) |
| ACV | x264 video file (VideoLAN) |
| ACW | Accessibility Wizard Settings (Microsoft Corporation) |
| ACW | American Civil War Game Save File (Interactive Magic) |
| ACW | AutoCaption Worksheet File (Image Logic Corporation) |
| ACX | Atari ST Executable |
| ACX | FOCUS/WebFOCUS File Description |
| ACX | Rational XDE (IBM) |
| AC_ | CaseWare Working Papers Compressed Client File (CaseWare International Inc.) |
| AC_ | Creativ compressed Sb16 sbide file |
| AD | After Dark screen saver (Infinisys & Berkeley Systems) |
| AD | Anno Designer game graphics project (Ubisoft) |
| AD | AxSys script (Genomic Solutions) |
| AD | macOS encoded data (Apple) |
| AD | Photoshop image data (Adobe) |
| AD | RADIUS data (Ascend) |
| AD | Unity asset (Unity) |
| AD | Windows executable (https://www.microsoft.com) |
| AD | X Window default resource (X.Org Foundation) |
| AD! | OzWin CompuServe E-mail/Forum Access QS-Special - Get Marked Online |
| AD1 | Forensic Toolkit Forensic Toolkit Image (Accessdata) |
| AD2 | ad2 Web Page Script File (ad2, Inc.) |
| AD2 | Compressed Voice File |
| AD3 | Compressed Voice File |
| ADA | ActiveDocs answer set (ActiveDocs) |
| ADA | GNAT Studio program (AdaCore) |
| ADB | Ability Database database (Ability) |
| ADB | Act! activity data (Act!) |
| ADB | AIMSS runtime project configuration (Raytheon) |
| ADB | ALLDATA automotive diagnostic information (ALLDATA) |
| ADB | Alpha Anywhere database information (Alpha Software) |
| ADB | Alphacam die-cut VB macro (Hexagon) |
| ADB | CorelCENTRAL address book (Corel) |
| ADB | ExpressEnterprise Server stamping data (Adlib) |
| ADB | GNAT Studio package implementation/body (AdaCore) |
| ADB | HP 100LX appointment database (Hewlett-Packard) |
| ADBA | Advanced Integrated Maintenance Support System (AIMSS) Author Project Configuration File (Raytheon Company) |
| ADBKEY | Android Debug Bridge (ADB) ADB Private Key |
| ADBLOCK | Alpha Five Temporary Locking File (Alpha Software, Inc.) |
| ADC | ActiveDocs Clipping Catalog |
| ADC | ADC Data Acquistion |
| ADC | Chromeleon Demo Data File |
| ADC | ClearSight Analyzer Trace File (ClearSight Networks, Inc.) |
| ADC | Lingvo Dictionary Text File |
| ADC | Scanstudio 16-color Bitmap Graphic File |
| ADC | Systems Management Server (SMS) Collection Evaluator Addition (Microsoft Corporation) |
| ADC | TI/MIT ADC Format Sound |
| ADC | XMap ImageReg Output File (Delorme) |
| ADD | Advantage Database Server data dictionary (SAP) |
| ADD | Alphacam diecut drawing (HEXAGON) |
| ADD | Microsoft Dynamics 365 Finance developer documentation (Microsoft) |
| ADD | OS/2 device driver (IBM) |
| ADD | PageMaker project data (Adobe) |
| ADD | Sublime address lookup (Sublime) |
| ADE | Access Project Extension (Microsoft Corporation) |
| ADE | ADC Audio File |
| ADEX | ADEX Corporation ChromaGraph Graphics Card Bitmap Graphic |
| ADF | A.R.S.E.N.A.L. Extended Power arsenal data (Tactical Soft) |
| ADF | Act! database (Act!) |
| ADF | Actual Drawing web page (PY Software) |
| ADF | Amiga Forever disk image (Cloanto) |
| ADF | Antenna data (Jörg Pleumann) |
| ADF | ArcGIS raster grid (ESRI) |
| ADF | ARIS Express document (Software AG) |
| ADF | ASTRA chromatography analysis data (WYATT) |
| ADF | bzip2 compressed archive (Julian Seward et. al.) |
| ADF | Dog Creek QC mask (Dog Creek Design & Consulting) |
| ADF | Grand Theft Auto: Vice City radio station (Rockstar) |
| ADF | I-DEAS data (Siemens) |
| ADF | OrCAD PCB Designer photoplot aperture definition (Cadence) |
| ADF | PS/2 adapter description (IBM) |
| ADF | Weibull++ data (ReliaSoft) |
| ADG | 3DS MAX 3D model (Autodesk) |
| ADG | Live group devices (Ableton) |
| ADI | Active@ Disk Image disk image (LSoft) |
| ADI | Advantage Database Server database index (SAP) |
| ADI | AutoCAD plotted graphics (Autodesk) |
| ADI | Backupper disk backup (AOMEI) |
| ADI | Logbook of the World status report (ARRL) |
| ADI | Microsoft Dynamics 365 Finance developer documentation index (Microsoft) |
| ADI | QRZ Logbook on-air contact logs (QRZ) |
| ADI | Writelog log (Writelog) |
| ADI | WSJT-X exported data log (K1JT) |
| ADIF | HAM-LOG radio log (Arthur Schwarz DJ6LS) |
| ADIUMEMOTICON | Adium Dock Icons (The Adium Team) |
| ADIUMEMOTICONSET | Adium Emoticon Set (The Adium Team) |
| ADIUMMENUBARICONS | Adium Menu Bar Icons (The Adium Team) |
| ADIUMMESSAGESTYLE | Adium Message Style (The Adium Team) |
| ADIUMPLUGIN | Adium Plug-in (The Adium Team) |
| ADIUMSCRIPTS | Adium AppleScripts (The Adium Team) |
| ADIUMSERVICEICONS | Adium Service Icons (The Adium Team) |
| ADIUMSOUNDSET | Adium Sound Set (The Adium Team) |
| ADIUMSTATUSICONS | Adium Status Icons (The Adium Team) |
| ADJ | LISCAD Plus Adjustment File |
| ADK | OS/2 Saved SKF Format File (IBM) |
| ADL | ADONIS Models and Model Groups Export From Database (BOC Group) |
| ADL | DESQview (Symantec Corporation) |
| ADL | openEHR Archetype Definition Language File (openEHR Foundation) |
| ADL | OzWin CompuServe E-mail/Forum Access QS-Special Get Marked |
| ADL | QEMM MCA Adapter Description Library |
| ADM | Addict compiled dictionary (Addictive) |
| ADM | Advantage Database Server database memo (SAP) |
| ADM | After Dark screen saver module (Infinisys & Berkeley Systems) |
| ADM | Alphacam diecut parameter macro (HEXAGON) |
| ADM | BaseCamp user data (Garmin) |
| ADM | Creative Suite application bar (Adobe) |
| ADM | Local Group Policy Editor policy template (Microsoft) |
| ADM | Portfolio admin-level acces flag (Extensis) |
| ADM | SCSI Port Driver data (Microsoft) |
| ADMINARCHIVE | macOS macOS Schema Definition |
| ADML | Windows/Office Language Specific Group Policy Settings (Microsoft Corporation) |
| ADMX | Windows/Office Group Policy Settings (Microsoft Corporation) |
| ADN | 1-2-3 Add-in Utility (IBM) |
| ADN | Access Blank Project Template (Microsoft Corporation) |
| ADO | Photoshop duotone options file (Adobe) |
| ADO | Stata Program script file (StataCorp) |
| ADOBENET | Studio Snapshot Tool Application (Adobe Systems Incorporated) |
| ADOC | Asciidoctor documentation markup (Asciidoctor Developers) |
| ADOC | Secure Office protected document (Authentica) |
| ADOS | ADOS Compound Document (ADOS Corporation) |
| ADP | 7-zip data (Igor Pavlov) |
| ADP | Access project (Microsoft) |
| ADP | Alphacam die-cut post (Hexagon) |
| ADP | AOLserver dynamic page (AOL) |
| ADP | Astound Dynamite data (Astound) |
| ADP | FaxWorks modem setup data (SofNet) |
| ADPCM | Intel/DVI Adaptive Differential Pulse Code Modulation Format Sound |
| ADR | Address Book address book (Address Book Developers) |
| ADR | Address Plus address book (Cobra) |
| ADR | After Dark random screen saver module (Berkeley Systems) |
| ADR | Opera bookmarks (hotlist) (Opera) |
| ADR | QuickBooks recovered document or transaction log (Intuit) |
| ADR | Remote Administration Daemon module spec (Oracle) |
| ADR | Smart Address address book (X2Net) |
| ADR | XAIRON-Addy Address Manager address book |
| ADS | AutoCAD application (Autodesk) |
| ADS | GNAT Studio package specification (AdaCore) |
| ADSM | Advanced Split Machine Split File |
| ADSX | Audaces Vestuário ERP Sewing pattern |
| ADT | Act! document template (Act!) |
| ADT | AdTech Fax document |
| ADT | Advantage Database Server table (SAP) |
| ADT | AIX data (IBM) |
| ADT | Alphacam diecut tools (Hexagon) |
| ADT | AutoCAD audit report (Autodesk) |
| ADT | Eclipse project (Eclipse) |
| ADT | Lingvo dictionary (ABBYY) |
| ADT | Medisoft database dictionary (Sunrize) |
| ADT | NewWave card application data (Hewlett-Packard) |
| ADT | NOD32 malware (Eset) |
| ADT | Pocket Viewer travel phrase database (Casio) |
| ADT | VLC music/movie audio (VideoLAN) |
| ADT | World of Warcraft map (Blizzard) |
| ADU | Addict User Dictionary (Addictive Software) |
| ADV | GUS Virtual Device Driver |
| ADV | TAPCIS Advanced Commands (User Entered) |
| ADVANCED-POTION-MAKING | Advanced Potion-Making Software Potion Diagrams |
| ADW | ADHAWIN Multilingual Transliteration Scheme |
| ADX | Approach database index (IBM) |
| ADX | Archetype Designer document (OpenEHR) |
| ADX | Dreamcast game sounds (Sega) |
| ADX | DynaZip active delivery script (Inner Media) |
| ADX | TunerPro data stream definitions (Creational Technologies) |
| ADZ | Amiga GZ-Packed Disk Image (Amiga) |
| AD_DRW | Alibre Design Alibre Design Drawings |
| AE | SoftQuad Author/Editor File |
| AEA | AdWords Editor media backup file (Google) |
| AEA | Translator Toolkit backup file (Google) |
| AEB | Alphacam Wire EDM VB Macro (Planit) |
| AEC | DataCAD Double Precision Drawing (DATACAD LLC) |
| AED | Alphacam Wire EDM Drawing (Planit) |
| AEE | Photos sidecar image edit file (Apple) |
| AEF | ELECTRICAL Designer |
| AEF | Visual Objects Application Export File (CA) |
| AEG | Netmino File |
| AEH | iPer Advanced Embedded Hypertext (Visual Vision) |
| AEM | Alphacam Wire EDM Parameter Macro (Planit) |
| AEP | Activ E-Book Compiler e-book project (Answers 2000) |
| AEP | After Effects video project (Adobe) |
| AEP | Alphacam Wire EDM Post data (Hexagon) |
| AEP | ArcGIS Explorer GIS data (ESRI) |
| AEP | Homeworld game data (Gearbox) |
| AER | Atmosphere File (Adobe Systems Incorporated) |
| AES | AES Crypt encrypted file (Packetizer) |
| AES | After Effects stablilzer settings file (Adobe) |
| AES | ooVoo activity log file (ooVoo) |
| AES-256-CBC | OpenSSL and other encryption tools Encrypted Data |
| AET | After Effects Tracker Settings (Adobe Systems Incorporated) |
| AEU | AutoRoute Express Europe Route (Microsoft Corporation) |
| AEX | After Effects plugin (Adobe) |
| AEX | Alpha Five linked executable (Alpha) |
| AEX | ApplicationXtender page reference (Optiform) |
| AEX | Art Explosion graphics (Nova) |
| AEX | Endpoint Encryption public encryption key (Broadcom) |
| AEXPK | Pretty Good Privacy (PGP) Armored Extracted Public Key (PGP Corporation) |
| AF | 3DPlus2 Model (Serif) |
| AF2 | ABC Flowchart |
| AF3 | FlowCharter Ver. 3 & 4 (iGrafx LLC) |
| AFA | Astrotite 200X Data compress/encrypt (Fantiusen Software) |
| AFB | Alphacam Flame VB Macro (Planit) |
| AFC | Apple Sound (Apple Inc.) |
| AFC | ArisFlow Commander |
| AFD | Alphacam Flame Drawing (Planit) |
| AFD | ArisFlow Diagram |
| AFD | Prismo Graphics ActiveFile Data (Apple Inc.) |
| AFDESIGN | Affinity Designer Vector Graphics File |
| AFF | AFFLIB raw disk image (Simson L. Garfinkel and Basis Technology) |
| AFF | AnyForm electronic form file (SmartForm) |
| AFF | Draw vector image (Acorn) |
| AFF | MySpell affix file |
| AFF | TermoLab thermal image data file (Sebastian Dudzik) |
| AFG | Guitar Musik Trainer File |
| AFI | Backupper data backup file (AOMEI) |
| AFI | Truevision Bitmap Graphic raster image file |
| AFL | AnimaFlex RubberFlex Animation |
| AFL | Lotus Font (IBM) |
| AFL | X-Plane Airfoil (Laminar Research) |
| AFL | XMap (Delorme) |
| AFM | Abassis Finance Manager data (SmartMedia Informatica) |
| AFM | Alphacam flame parameter macro (Hexagon) |
| AFM | Creative Cloud font metrics (Adobe) |
| AFM | DESQview data (Broadcom) |
| AFM | FormMaster form template (AT SYSTEMS S.R.L.) |
| AFM | LOUT data (Jeffrey Kingston) |
| AFM | NewWave cardfile application data (Hewlett-Packard) |
| AFM | OSForensics disk image metadata (PassMark) |
| AFO-XVID | RAR-compressed Video |
| AFP | Alphacam Flame Post (Planit) |
| AFP | Androsa FileProtector Encrypted File (AndrosaSoft) |
| AFP | Flowchart Symbol Palette |
| AFP | Gangsters Game File |
| AFP | IBM Transactional Data Format (Advanced Function Print) |
| AFP | Papyrus Document Storage Format |
| AFP | Prismo Graphics ActiveFile Proxy (Apple Inc.) |
| AFP | XMap Flight Plan or Flight Plan Statistic File (Delorme) |
| AFPHOTO | Affinity Photo Image editing |
| AFPK | Audfprint MATLAB/Python script (Daniel Ellis) |
| AFS | AktivFilter specification (SoftwareDidaktik) |
| AFS | Dreamcast game audio (Sega) |
| AFS | Filter Factory data (Werner) |
| AFS | STAAD Foundation building foundation project (Bentley) |
| AFS | Type Manager font set (Adobe) |
| AFS3 | Advanced File Security Encrypted File (Osborne Software - Eric Pörsel) |
| AFT | Ancestry Family Tree Data File (MyFamily.com Inc.) |
| AFT | AnyForm Template |
| AFT | Flowchart Template |
| AFW | Flowchart Work Area |
| AFW | Industrial Aspect Integrator Platform (ABB Ltd) |
| AFX | Auto FX Photographic Edges (Auto FX Software) |
| AFZ | Ancestry Family Tree Backup Data File (MyFamily.com Inc.) |
| AG | Agenda Application (IBM) |
| AG | Applix Graphic (Applix) |
| AG | Argus Spreadsheet |
| AG4 | Access G4 File (Microsoft Corporation) |
| AGC | AfterGRASP Compiled Script (John Bridges) |
| AGE3SCN | Age of Empires 3 Scenario (Microsoft Corporation) |
| AGF | Atlas GeoFile |
| AGG | AggFlow AggFlow project (BedRock Software) |
| AGG | Autograph graph information file (La Salle Education) |
| AGG | Graphic image file |
| AGHO | Agho Ransomware Ransomware Encrypted Files |
| AGI | Asterisk Gateway Interface File (Digium, Inc.) |
| AGIF | Active GIF Creator GIF animation project (Image Tools) |
| AGL | AGLData Industrial Water Treatment File |
| AGL | ArgusLab Molecular Design (Planaria Software LLC) |
| AGL | ChangeCAST AGL File (Domain Systems, Inc.) |
| AGL | Compaq Array Visualizer Native Data Format (Hewlett-Packard Development Company, L.P.) |
| AGL | PC Fold Angle Correction Data |
| AGLDEI | GoLive Template (Adobe Systems Incorporated) |
| AGLS | GoLive Snippet (Adobe Systems Incorporated) |
| AGLSL | GoLive Site (Adobe Systems Incorporated) |
| AGM | DOTAGM.JAR Packed Audio File (agm digital arts GmbH) |
| AGN | Psion Series 3 Agenda (Psion PLC) |
| AGO | Autolog Script (Soft Machines) |
| AGP | AppGini MySQL Code Generator Project (BigProf Software) |
| AGP | Aspen Graphics Pages |
| AGR | Aepryus Graph Image or Screen Saver File (Aepryus Software) |
| AGR | APM Graph Vector Graphic (APM) |
| AGR | Grace Project File |
| AGS | AfterGRASP Script (John Bridges) |
| AGS | AppGini Saved Style Sheet (BigProf Software) |
| AGT | PeerAgent Typed Executable E-mail |
| AGW | Aspen Graphics Windows |
| AGX | Rational XDE (IBM) |
| AGZ | AggFlow Aggregate Plant Flow Diagram (BedRock Software Inc.) |
| AHB | AIM High Briefcase Report File (Cosby Clifton Computer Consultants Ltd) |
| AHD | Asus Probe |
| AHF | ASP Header |
| AHK | AutoHotkey script (AutoHotkey) |
| AHOD | Homeworld (Sierra Entertainment, Inc.) |
| AHP | AutoCAD Help (Autodesk, Inc.) |
| AHQ | AudioHQ Plug-in Module |
| AHS | iLO log archive (Hewlett Packard) |
| AHS | Photoshop halftone screens file (Adobe) |
| AHT | AH Note (Abdullah Hatem) |
| AHTM | HTML File |
| AHTML | HTML File |
| AHX | WinAHX THX Tracker Music (Abyss) |
| AI | Advantage Database Server data dictionary index (SAP) |
| AI | AIwin project (Procedimientos-Uno, S.L.) |
| AI | CorelDRAW image (Corel) |
| AI | EARS component (Liberal Democrats) |
| AI | Illustrator image/design (Adobe) |
| AI | MOPAC data (Open Mopac) |
| AI | ObjectStore after-image (IgniteTech) |
| AI | OpenEdge after-image area (Progress) |
| AI | Photoshop image/design (Adobe) |
| AI | Rise of Nations game data (Microsoft) |
| AI3 | Generic Encapsulated PostScript Graphic Format |
| AI4 | Generic Encapsulated PostScript Graphic Format |
| AI5 | Generic Encapsulated PostScript Graphic Format |
| AI6 | Generic Encapsulated PostScript Graphic Format |
| AI7 | Generic Encapsulated PostScript Graphic Format |
| AIA | App Inventor application project (MIT) |
| AIA | App Inventor compressed project archive (Massachusetts Institute of Technology) |
| AIA | Illustrator action file (Adobe) |
| AIA | Illustrator action set (Adobe) |
| AIA | Kodular compressed project archive (Junnovate) |
| AIC | Advanced Image Coding Bitmap |
| AIDF | AIDA Construction Data |
| AIDL | Android Studio Inter-process communication |
| AIF | Knowledgeware setup information (Knowledgeware) |
| AIF | Media Player music (Microsoft) |
| AIF | OS/2 program information (IBM) |
| AIF | QuickTime music (Apple) |
| AIF | SymbianOS application information (Nokia) |
| AIF | Visual COBOL session information (Micro Focus) |
| AIF | VLC music (VideoLAN) |
| AIFC | Media Player music (Microsoft) |
| AIFC | QuickTime music (Apple) |
| AIFC | VLC music (VideoLAN) |
| AIFF | Media Player music (Microsoft) |
| AIFF | QuickTime music (Apple) |
| AIFF | VLC music (VideoLAN) |
| AIG | Abracadata Drawing |
| AIG | Design Your Own Home Architecture Drawing File (theliquidateher Software, An MCS Investments, Inc. Company) |
| AIH | ArcView Optional Index File (ESRI) |
| AIJ | Oracle After-Image Journal |
| AIL | AutoImager |
| AIM | AOL Instant Messenger (AIM) (America Online, Inc.) |
| AIM | Asm Text Mode Image File (The Ultimate Draw) |
| AIML | Artificial Intelligence Markup Language |
| AIN | AIN compressed archive file |
| AIN | ArcGIS attribute index file (Esri) |
| AIN | Half-Life AI nodegraph file (Valve) |
| AIN | Team Fortress 2 AI nodegraph file (Valve) |
| AINSO | VAX CRYSTALS Chemical Crystallogaphy File |
| AIO | APL File Transfer Format |
| AIOB | All-In-One Toolbox Backup call/SMS logs |
| AIP | 7-Zip compressed data (Igor Pavlov) |
| AIP | Advanced Installer project (Caphyon) |
| AIP | Audiosoft parameters (Labat) |
| AIP | Illustrator plugin (Adobe) |
| AIP | Star Trek Armada arficicial intelligence parameters (Activision) |
| AIQ | AzureIQ Client |
| AIR | AIR rich internet application package (Harman) |
| AIR | Align-It resource (Free Software Foundation) |
| AIR | Flight Simulator aircraft performance info (Microsoft) |
| AIR | SeeYou airspace (Naviter) |
| AIRPORT | RealFlight Radio Control Flying Site (Knife Edge Software) |
| AIRPORTS | RealFlight Radio Control Flying Site (Knife Edge Software) |
| AIS | ACDSee Image Sequence File (ACD Systems Ltd.) |
| AIS | Array of Intensity Samples |
| AIS | Velvet Studio Instruments |
| AIT | Illustrator template file (Adobe) |
| AIV | Stronghold Crusader Computer Player AI (Firefly Studios Ltd.) |
| AIW | Formula 1 car race 2001 Season01 School France file |
| AIX | HP NewWave Cardfile Application Data |
| AJA | AJC Active Backup Backup Revision Control Archive (AJC Software) |
| AJB | Alphacam Water Jet VB Macro (Planit) |
| AJD | Alphacam Water Jet Drawing (Planit) |
| AJG | AJC Grep Project File (AJC Software) |
| AJL | ARCserve Backup Journal File (Computer Associates International, Inc.) |
| AJM | Alphacam Water Jet Parameter Macro (Planit) |
| AJP | Alphacam Water Jet Post (Planit) |
| AJP | Anfy Applet Generator Saved File (Anfy Team) |
| AJP | JPEG2000 Digital Surveillance Recorder Video |
| AJZ | Jukebox MP3 Player Firmware Update (Archos) |
| AK | Audio Utility Tuningwrench Compressed File |
| AKF | Acrobat Key File (Adobe Systems Incorporated) |
| AKM | Aksharamala Binary Keymap File (Deshweb.com Pvt. Ltd.) |
| AKM | Microsoft Operation Manager (MOM) Management Pack (Binary) (Microsoft Corporation) |
| AKP | Awave Studio program data (FMJ) |
| AKS | Aksharamala Ver 2.0 Binary Keymap File (Deshweb.com Pvt. Ltd.) |
| AKT | Aksharamala Source Keymap File (Deshweb.com Pvt. Ltd.) |
| AKT | AKT Compressed Archive |
| AKW | RoboHELP Help Project Index File |
| AL | Dynamics 365 Business Central source code (Microsoft) |
| AL | Oracle Database archive log (IBM) |
| AL | Padre autoloader subroutine (Padre Development Team) |
| AL | QuickTime music (Apple) |
| AL$ | Cubase Compressed File (Steinberg) |
| AL3 | ACORD AL3 Electronic Data Interchange file (Association for Cooperative Operations Research and Development) |
| ALA | Alan Adventure Language File |
| ALA | Sharp Fax File |
| ALAC | iTunes music (Apple) |
| ALAC | VLC music (VideoLAN) |
| ALARMZ | Alarmz Alarm File (Fichier d'alarmes) (Francis Gagné) |
| ALAW | ALAW Format Sound |
| ALB | Alpha Five library (Alpha Software) |
| ALB | Alphacam laser macro (Hexagon) |
| ALB | AVSnap symbol library (Altinex) |
| ALB | Chief Architect drawing library (Chief Architect) |
| ALB | Cubase backup song (Steinberg) |
| ALB | Image Commander photo album (Corel) |
| ALB | Photo Soap data (Nuance) |
| ALB | Pro/DESKTOP album (PTC) |
| ALB | Raduga playlist (WoLoSoft) |
| ALB | WebEasy album (Avanquest) |
| ALBM | Photosmart Photo Printing Album (Hewlett-Packard Development Company, L.P.) |
| ALBM | webAlbum Photo Album (Goopers - Logan Mueller) |
| ALBUM | GLC_Player GLC_Player Album File (GLC_Player) |
| ALBUMMETADATA | Apple Photos Photo album metadata |
| ALC | ACUCOBOL-GT License File (Acucorp, Inc.) |
| ALC | Alchemy Chemical Format (CambridgeSoft Corporation) |
| ALC | Norton Internet Security Ad Server File |
| ALD | Aladdin Interactive DSP Document (Hitech Development AB) |
| ALD | Alphacam Laser Drawing (Planit) |
| ALE | Final Cut film metadata (Apple) |
| ALE | Media Composer film metadata (Avid) |
| ALE | Notepad++ film metadata (Don Ho) |
| ALF | AbacusLaw AbacusLaw Format file (Abacus Data Systems) |
| ALF | Act! database log file (Swiftpage) |
| ALF | AdventNet Bean Builder AdventNet Look and Feel Standards file (Zoho Corporation) |
| ALF | Airpro Airpro land file |
| ALF | ALF Logic |
| ALF | Altium Designer license file (Altium) |
| ALF | Ambit BuildGates Ambit library file (Cadence) |
| ALF | Aventail Connect license file (SonicWALL) |
| ALF | LANDesk Client Manager configuration file (Intel) |
| ALF | QuickCommand label format file (QuickLabel) |
| ALF | VPCom remote user configuration file (Ashley Laurent) |
| ALFA | Web servers (compromised) Webshell script |
| ALG | ARCSOLO Activity Log |
| ALG | InRoads Survey Alignment File (Bentley Systems, Incorporated) |
| ALG | Netmino File |
| ALG | PDP-10 ALGOL Compiler Source |
| ALGO | TradingView, NinjaTrader, and other trading platforms Automated Trading Strategies |
| ALH | Aladdin Interactive DSP Model Header File (Hitech Development AB) |
| ALI | DESQview (Symantec Corporation) |
| ALI | Inspect3D Aligned Image Stack (FEI Company) |
| ALI | OM2 OMALI Native OMALI Document |
| ALI | SAP Proprietary Format Document File |
| ALIAS | Alias Image |
| ALIASES | Apple II operating system Golden Orchard Apple II CD Rom file |
| ALIGN | Insight II Sequence Alignment File (Accelrys Software Inc.) |
| ALL | 1-2-3 Always Working Page Format File (IBM) |
| ALL | Arts & Letters Symbols and Characters |
| ALL | Cubase or VST Song File (Steinberg) |
| ALL | FRQView File List of All Files |
| ALL | OS/2 Program List (IBM) |
| ALL | WordPerfect Printer Info (Corel Corporation) |
| ALM | AL-Mail Mailbox File (AL-Mail) |
| ALM | Aley's Module v1.0, 1.1, 1.2 |
| ALM | Alpha Five Database Information File (Alpha Software, Inc.) |
| ALM | Alphacam Laser Parameter Macro (Planit) |
| ALN | Grlib Saoimage File |
| ALN | LexNavigator Database Update (UltraTech Group) |
| ALO | Almanac Support File |
| ALP | 7-zip compressed data (Igor Pavlov) |
| ALP | Alphacam laser post (Hexagon) |
| ALP | AnyLogic project (AnyLogic) |
| ALP | Live sound pack (Ableton) |
| ALPH | V2Ray or RPG Maker VX Ace Configuration or Game Data |
| ALPHA | Raw Alpha Bytes Bitmap |
| ALR | ADRIFT Language Resource (ADRIFT) |
| ALR | VirusScan Alert File (Network Associates) |
| ALS | Alias image (Autodesk) |
| ALS | Arcade Lines graphics resource (Lobstersoft) |
| ALS | Calmira shortcut (Calmira) |
| ALS | Creo temporary data (PTC) |
| ALS | Live audio project layout (Ableton) |
| ALS | PSpice alias (Cadence) |
| ALT | Aladdin Interactive DSP Message Text (Hitech Development AB) |
| ALT | ReliaSoft ALTA 6 |
| ALT | WordPerfect Menu File (Corel Corporation) |
| ALV | Photoshop Levels (Adobe Systems Incorporated) |
| ALV | Vbox Available Languages File (Aladdin Knowledge Systems) |
| ALW | PDP-10 Algol-W Compiler Source |
| ALX | ActiveX Layout File (Microsoft Corporation) |
| ALX | Alpha Five Library Index (Alpha Software, Inc.) |
| ALX | BlackBerry Application Loader File (Research in Motion Limited) |
| ALX | OM2 OMALI Plug-in Extension |
| ALZ | ALZip compressed archive file (ESTsoft) |
| ALZ | DarkEden game data file (SOFTON Entertainment) |
| AL_ | Audio Utility Juker Compressed File |
| AM | Advantage Database Server data (SAP) |
| AM | Amira mesh data (Thermo Fisher) |
| AM | Anark Studio multimedia data (Anark) |
| AM | Automake Makefile template (GNU) |
| AM | Cognos Analytics SHELF macro (IBM) |
| AM1 | Adventure Maker Project File (Giovanni Albani) |
| AM2 | AutoPlay Menu Studio Ver. 2 Data File (Indigo Rose Software) |
| AM3 | AutoPlay Menu Studio Ver. 3 Data File (Indigo Rose Software) |
| AM4 | AutoPlay Menu Studio Ver. 4 Data File (Indigo Rose Software) |
| AM5 | AutoPlay Menu Studio Ver. 5 Data File (Indigo Rose Software) |
| AM6 | AutoPlay Menu Studio Ver. 6 Data File (Indigo Rose Software) |
| AMA | Fifa2000 Feart File |
| AMAT | Apple II operating system Golden Orchard Apple II CD Rom file |
| AMAYA | Amaya |
| AMB | All My Books Book Database (Bolide Software) |
| AMB | Alphacam 3D Mill, 2D Mill VB Macro (Planit) |
| AMB | Radiance Ambient File Format |
| AMC | Advanced MP3 Catalog Pro Catalog File (WizeTech Software) |
| AMC | Ant Movie Catalog |
| AMC | Wireless Analyzer Captured Data (AirMagnet) |
| AMD | ABBYY Finereader 5.0 Pro File (ABBYY Software House) |
| AMD | Alphacam 3D Mill, 2D Mill Drawing (Planit) |
| AMD | AMUSIC AdLib Tracker |
| AMD | ASCET XML Model Description (ETAS GmbH) |
| AME | ACT! E-mail System Library (Best Software CRM Division) |
| AMF | ADRIFT Generator module (Campbell Well) |
| AMF | AmigaOS metadata (Hyperion) |
| AMF | Autolog macro arguments (Soft Machines) |
| AMF | Cura 3D objects (Ultimaker) |
| AMF | Extended Module Player music (Claudio Matsuoka and Hipolito Carraro Jr) |
| AMF | Meshmixer 3D objects (Autodesk) |
| AMF | OMN map (Anquet) |
| AMF | WinAmp music (Radionomy) |
| AMFF | Amiga Metafile (Amiga) |
| AMG | AMG ACTOR System Image |
| AMG | AMGC Compressed Archive |
| AMG | Netmino File |
| AMI | AMI BIOS Firmware Update File (American Megatrends Inc.) |
| AMI | Amiga Paint File (Amiga) |
| AMI | Cocreate SolidDesigner Annotation File |
| AMIGA | Amiga (Amiga) |
| AML | Abstract Markup Language AML source code (Daniel Esquivias) |
| AML | AutoMate Automated Media Library (HelpSystems) |
| AML | DSDTSE ACPI Machine Language file |
| AML | MioFactory Application Markup Language (Mioplanet) |
| AML | Morpheus Photo Morpher Morpheus Photo Morpher project file (Morpheus Software) |
| AML | SAS Activity-Based Management Model file (SAS Institute) |
| AML | Windows MAML source code (Microsoft) |
| AMM | All My Movies Movie Database (Bolide Software) |
| AMM | Alphacam 3D Mill, 2D Mill Parameter Macro (Planit) |
| AMM | AMM |
| AMM | Microphone Modeler Model File (Antares Audio Technologies) |
| AMM | Orchida Knitting System (Orchida Soft) |
| AMN | Agenzia delle Entrate Software Italian Tax Data |
| AMODEL | ActiveModeler Professional Project File (KAISHA-Tec Co. Ltd.) |
| AMOS | AMOS Basic Code |
| AMOSOUTPUT | IBM SPSS Amos AMOS output |
| AMOSP | IBM SPSS Amos AMOS Project Files |
| AMP | Alfresco module package (Alfresco) |
| AMP | ALPHACAM mill post data file (Hexagon) |
| AMP | AMP accelerated mobile page file (OpenJS Foundation) |
| AMP | Photoshop arbitrary map file (Adobe) |
| AMP | RMM policy script file (N‑able) |
| AMP | SPSS Amos graphics output file (IBM) |
| AMR | BrainVoyager anatomical slices (Rainer Goebel) |
| AMR | QuickTime voice recording (Apple) |
| AMR | VLC voice recording (VideoLAN) |
| AMS | Extreme's Tracker Module Format |
| AMS | Photoshop Monitor Setup (Adobe Systems Incorporated) |
| AMS | Velvet Studio Module |
| AMSM | Atomic Mail Sender (AtomPark Software Inc) |
| AMST | Atomic Mail Sender (AtomPark Software Inc) |
| AMT | ABBYY Finereader 5.0 Pro (ABBYY Software House) |
| AMT | Alphacam 3D Mill, 2D Mill Tool (Planit) |
| AMT | ArtMoney Table (ArtMoney Team) |
| AMT | AVSnap Project (ALTINEX, Inc.) |
| AMV | VLC video and audio (VideoLAN) |
| AMW | AMOS Data |
| AMW | WinScript Show Data (Alcorn McBride Inc.) |
| AMX | After Effects Motion Exchange File (Adobe Systems Incorporated) |
| AMX | MetaMOD Half-Life Plug-in |
| AMXX | AMX Mod X Plug-in (AMX Mod X Dev Team) |
| AMZ | AERMOD archive (Trinity Consultants) |
| AMZ | Amazon MP3 Downloader music download data (Amazon MP3 Downloader Team) |
| AMZ | The Amazon Trail saved game (MECC) |
| AN | Groundworks Text File |
| AN1 | Street Atlas Draw File (Delorme) |
| AN1 | WWG DA-30 Capture File |
| AN1 | XMap Draw File (Delorme) |
| AN8 | Anim8or 3D Animation |
| ANA | Analysis for Windows Structure (Cuylaerts Engineering) |
| ANAT | XNBC V8 Biological Neural Network Simulation Workstation Network Anatomy |
| ANB | Analyst's Notebook Analytical Chart (i2 Ltd.) |
| ANBLZW | Adobe Photoshop 3.0.8 Compressed raster image |
| ANBN | PicsArt PicsArt Image File |
| ANC | Alphacam NC Program (Planit) |
| ANC | Canon Computer Pattern Maker File |
| AND | Collins Electronic Dictionary Data (Windows) / Concise Oxford Dictionary (DOS) |
| ANDROID | Unity Game Engine Unity Game Data |
| ANDROID_SECURE | folder |
| ANF | AcuteNotes |
| ANG | AIMSUN NG Network (TSS-Transport Simulation Systems) |
| ANI | CursorWorkshop animated cursor (Axialis) |
| ANI | Eternity animation (Eternity Team) |
| ANI | NEOchrome animation (Atari) |
| ANI | Nero data (Nero) |
| ANI | SYNC animation (Ford) |
| ANI | Windows animated cursor (Microsoft) |
| ANIM | Amiga Forever animation (Cloanto) |
| ANIM | Homeworld animation (Gearbox) |
| ANIM | Maya animation (Autodesk) |
| ANIM | Unity animation clip (Unity) |
| ANIMATEDSTICKER | Telegram Messenger Animated Stickers |
| ANIMATION | Apple II operating system Golden Orchard Apple II CD Rom file |
| ANIMATIONS | Unity Unity Animation Data |
| ANIMS | Cyberpunk 2077 (REDengine), Autodesk Maya Animation Data |
| ANKI | Anki Deck File (Damien Elmes) |
| ANKI2 | Anki Flashcard Database |
| ANKI21 | Anki Flashcard Database |
| ANL | Alphacam Nest List (Planit) |
| ANL | Annotis Mail Language File (Emeris Technologies) |
| ANL | Eisenbahn.exe Professionell Railroad Track Layout (Software Untergrund) |
| ANL | Project Analyzer Saved Analysis |
| ANM | Animatic 3D animation (MathRevolt) |
| ANM | Blender 3D animation (Blender) |
| ANM | CryENGINE 3D bone-based animation (Crytek) |
| ANM | DeluxPaint 3D animation (Electronic Arts) |
| ANM | Infinity equation scripts (MathRevolt) |
| ANM | Jazz Jackrabbit 2 title sets images (Epic) |
| ANM | Maya 3D animation (Autodesk) |
| ANM2 | The Binding of Isaac: Repentance Game animation |
| ANN | King-FIX King-FIX data |
| ANN | Lingvo Dictionary annotation data (ABBYY) |
| ANN | Windows Help annotation file (Microsoft) |
| ANNOT | Amaya Annotation |
| ANO | Annotation |
| ANOM | OpenBullet OpenBullet config file |
| ANON | FuckTheSystem virus-affected encrypted file |
| ANP | Annotis Mail (Emeris Technologies) |
| ANR | Street Atlas Route File (Delorme) |
| ANR | XMap Route File (Delorme) |
| ANS | ANSI Graphic/Text |
| ANS | ANSYS Model Data (ANSYS, Inc.) |
| ANS | HotDocs Answer File (Matthew Bender & Company, a member of the LexisNexis Group) |
| ANS | Word Text and Layout (Microsoft Corporation) |
| ANSR | AnswerTool Question/Answer Document (DTLink LLC) |
| ANT | calcAnt Saved Calculation (SFR GmbH) |
| ANT | SimAnt for Windows Saved Game File |
| ANTIFRAG | DC++ Incomplete Download |
| ANTS | ANTS Note Taker Note-taking data |
| ANV | AirNav |
| ANX | HotDocs Answer File (Matthew Bender & Company, a member of the LexisNexis Group) |
| ANX | Ogg Multiplex Profile |
| ANY | AnyRail railroad layout (DRail) |
| ANYDVD | AnyDVD Registration File (SlySoft) |
| AO | ActionOutline Data File (Green Parrots Software) |
| AO | AOL Install Archive (America Online, Inc.) |
| AO | Free Pascal Archive File for OS/2 Version (FPC Development Team) |
| AOB | DVD Audio File |
| AODL | Microsoft OneDrive OneDrive Logs |
| AOF | Acorn Object Format |
| AOI | Art of Illusion Scene File (Peter Eastman) |
| AOL | AOL (America Online, Inc.) |
| AOM | After Effects Output Settings (Adobe Systems Incorporated) |
| AOM | Download Manager Online Manager Shortcut (Adobe Systems Incorporated) |
| AOMVER | Adobe Download Manager Version File (Adobe Systems Incorporated) |
| AOR | Searchlight AR3000/AR3000A Radio Scanner Frequency Listing (AOR UK LTD) |
| AOS | Archos PCtablet signed/encrypted firmware update (ARCHOS) |
| AOS | GARbro resource (GARbro Contributors) |
| AOS | Gmini firmware update (ARCHOS) |
| AOS | Nokia Phone add-on (Nokia) |
| AOS | UnityFS asset (Unity) |
| AOT | Novell snAppShot Application Binary Object Template File |
| AP | ArtPro document (Esko) |
| AP | EntryPoint data (Datalex) |
| AP | Great British Railway Journeys game assets (Dovetail) |
| AP | TM1 presents (IBM) |
| AP | WHAP compressed archive (WHAP Developers) |
| AP0 | Windows APW_data File |
| AP17 | Siemens TIA Portal V17 automation project |
| AP? | LoseThos C+ Source File (Terry A. Davis) |
| APA | AlfaPad document (AlfaAlfa) |
| APA | ArcPad applet (ESRI) |
| APB | Alphacam Punch VB Macro (Planit) |
| APB | Apollo Suite Planogram (Information Resources, Inc.) |
| APB | Avram's PC Backup File List (QuadraSoft) |
| APBX | Atlassian Playbook Playbook Export Archive |
| APC | AiroPeek Wireless Trace Capture File (WildPackets, Inc.) |
| APC | APAC Compressed Audio |
| APC | Cryo Interactive APC Audio |
| APC | Gupta Team Developer Compiled Application File |
| APC | Lotus Printer Driver Characters (IBM) |
| APD | Alphacam Punch Drawing (Planit) |
| APD | Gupta Team Developer Dynamic Application Library File |
| APD | Lotus Printer Driver (IBM) |
| APD | PageMaker Printer Description (Adobe Systems Incorporated) |
| APDJOB | GE Healthcare AppDepot Job list |
| APE | ApE Plasmid Editor DNA and protein sequence (M. Wayne Davis) |
| APE | Monkey's Audio music (Matthew T. Ashland) |
| APE | VLC music (VideoLAN) |
| APE | Winamp music visualization effects (Radionomy) |
| APEG | KiriKiri Visual Novel Engine KiriKiri Animations |
| APF | Acrobat digital signature (Adobe) |
| APF | Alias 3D geometry (Autodesk) |
| APF | ArcPad profile (ESRI) |
| APF | ATO data (E2S n.v.) |
| APF | Fax2000 fax data (Circle Computer Resources) |
| APF | Homesite project (Adobe) |
| APF | Lotus 1-2-3 printer driver fonts (IBM) |
| APF | MightyFax fax data (RKS) |
| APF | Speedy data (GraphiCode) |
| APG | Active Page Generator APG Script (Webgecko Software) |
| APG | EasyBase Database File (Pg SoftWorkS') |
| APG | Graphic |
| APG | PowerAda Aprobe File (OC Systmes) |
| APH | Ability Office Photo Album (Ability Software) |
| API | 1st Reader Passed Parameter File |
| API | Acrobat Plug-in (Adobe Systems Incorporated) |
| API | Application Program Interface |
| API | Lotus Printer Driver Info (IBM) |
| API | Photoshop Ink Colors Setup (Adobe Systems Incorporated) |
| API | WebObjects Interface (Apple Inc.) |
| APIB | Apiary API description file |
| APIN | InDesign Import/Export Filter (Adobe Systems Incorporated) |
| APJ | Angel Debug Monitor Project |
| APJ | ARM Project Manager |
| APJ | AutoCAD Project File (Autodesk, Inc.) |
| APJ | Music Screen Saver File |
| APK | Active Tutor project (4C Media) |
| APK | Android application package (Open Handset Alliance) |
| APK | GameSpy Arcade service data (IGN) |
| APK | Train Simulator packaged activity (Microsoft) |
| APKG | Anki packaged flashcard deck (Damien Elmes) |
| APKG | i-STAT Alinity firmware package information (Abbott) |
| APKM | APKMirror Installer Split APK packages |
| APKS | Split APKs Installer (SAI) Split APK delivery |
| APKZSTD | Android operating system Compressed Android app |
| APL | ACDSee Plug-in (ACD Systems) |
| APL | APL Workspace/Source |
| APL | ArcPad Ver. 6 Layer |
| APL | Gupta Team Developer Application Library File |
| APL | Monkey's Audio Image Link File (Matthew T. Ashland) |
| APLN | InDesign 3rd Party Plug-in (Adobe Systems Incorporated) |
| APM | Alphacam punch parameter macro settings (Hexagon) |
| APM | ArcPad map (ESRI) |
| APM | Authorware metafile image (Adobe) |
| APM | AutoPlay Menu Studio configuration (Indigo Rose) |
| APM | GIMP metafile image (GIMP Team) |
| APM | Secure Email email attachment information (Accellion) |
| APN | APN Wallpaper (Alpine Electronics, Inc.) |
| APNG | Web browsers, image viewers, and some image editing software Animated image files |
| APNX | Kindle page number index (Amazon) |
| APO | Apollo Scripts |
| APO | Paperless Office (Abacre) |
| APP | Alphacam Punch Post (Planit) |
| APP | ArcPad Ver. 5 Project |
| APP | Ca Visual Objects Platform for Developer (CAVO) Project File (CA) |
| APP | Clarion for Windows Application (SoftVelocity) |
| APP | Cybiko Computer Application File (Cybiko, Inc.) |
| APP | dBASE Application Object File |
| APP | Executable Application |
| APP | Gupta Team Developer Normal Mode Application File |
| APP | Lotus Symphony Add-in Application |
| APP | OrbWorks PocketC CE Application |
| APP | Psion Oval Application (Psion PLC) |
| APP | R:Base, Symphony, DR-DOS, FoxPro (or other) Application |
| APP | SymbianOS Application (Symbian Ltd.) |
| APP | Timex Data Link Watch Application (Timex Corporation.) |
| APP | Until Application |
| APP | Video CD on CD-i Application |
| APP | VTech Helio Application (VTech Holdings Ltd.) |
| APPIMAGE | AppImageLauncher Portable Linux app |
| APPINSTALLER | AppInstaller Setup file (Microsoft) |
| APPLE | Apple II operating system Golden Orchard Apple II CD Rom file |
| APPLESCRIPT | AppleScript Script (Apple Inc.) |
| APPLICATION | .NET deployment manifest file (Microsoft) |
| APPM | APPM Gereedschapskist Document (TPM-webapplicaties) |
| APPOINTMENTCONFIRMATION | Email clients, Web browsers Appointment Confirmation |
| APPREF-MS | Application Reference File (Microsoft Corporation) |
| APPROJ | ActivePresenter Presentation Project |
| APPT | Authentica Secure Office Protected PowerPoint Document (Authentica) |
| APPX | Store application package (Microsoft) |
| APPX | Visual Studio application package (Microsoft) |
| APPXBUNDLE | Windows 10 Windows App Bundle Package (Microsoft) |
| APR | 7-zip compressed data (Igor Pavlov) |
| APR | Approach database (IBM) |
| APR | ArcGIS project (ESRI) |
| APR | OrCAD PCB Designer aperture information report (Cadence) |
| APR | PriceDigests appraisal data (Informa) |
| APR | SAP HCM performance review (SAP) |
| APRJ | ApacheConf Project (Zecos Software) |
| APS | Alias portable package (Autodesk) |
| APS | ArcPad stylesheet (ESRI) |
| APS | Flash data (Ivana) |
| APS | Greeting Card Studio greeting card project (AMS) |
| APS | PPF-O-Matic game patch (Icarus) |
| APS | Sudden Strike 2 game data archive (Kalypso) |
| APS | Velvet Studio advanced pattern system data (Velvet) |
| APS | Visual Studio compiled resource (Microsoft) |
| APT | Adaptive Prediction Tree bitmap (John Robinson) |
| APT | Alphacam punch tool (HEXAGON) |
| APT | Approach data view (IBM) |
| APT | appTranslator project (appTranslator) |
| APT | AutoPlay Media Studio project (Indigo Rose) |
| APT | Maven documentation (Apache) |
| APT | Sublime temperature profiles (Sublime) |
| APT | Team Developer text mode application (Gupta) |
| APV | Acerose Password Vault Password File (Dexadine, Inc.) |
| APV | ApiViewer API Database (ActiveVB) |
| APV | EdiAPV.exe (VP PRECISION S.A.) |
| APV | Speedy Printed Circuit Board Design Software (Mania Technologie) |
| APW | Any Password Password File (RomanLab Software) |
| APW | Authorware Packaged FIle (Adobe Systems Incorporated) |
| APX | AmiBroker analysis project (AmiBroker) |
| APX | Approach Paradox-specific information (IBM) |
| APX | ArchiCAD add-on (Graphisoft) |
| APX | ArcPad extensions preferences (ESRI) |
| APX | C++ appexpert database (Micro Focus) |
| APX | Eclipse Android application archive (Eclipse Foundation) |
| APX | PhotoPaint bitmap (Ability) |
| APX | TheTomb Browser web data (Apoltix) |
| APXC | Salesforce.com Salesforce Apex class |
| APZ | AutoPlay Menu Studio AMS project (Indigo Rose) |
| AP_ | C Poet Compressed Disk1 File |
| AQ | Ancestral Quest Genealogy File (Incline Software, LC) |
| AQ | Applix Data |
| AQ1 | AptiQuiz Test File (RJ Software) |
| AQA | AptiQuiz Test Result (RJ Software) |
| AQF | Aquifer Content Management System Aquifer-Generated Web Page (Liquid Development, LLP) |
| AQL | AOL Windows DLL (America Online, Inc.) |
| AQM | CP/M Information File |
| AQQ | AQQ Plug-in (AQQ Team) |
| AR | AIX small indexed archive (IBM) |
| AR | ar compressed archive file (Bell Labs) |
| AR | Java Runtime Environment data library file (Oracle) |
| AR | Midtown Madness game add-on file (Microsoft) |
| AR | WinRAR compressed archive file (WinRar) |
| AR4W | A Ruler For Windows A Ruler For Windows (Rob Latour) |
| ARA | ATI Radeon Video Driver |
| ARB | Alphacam Router VB Macro (Planit) |
| ARB | ARB Sequence Database (Department of Microbiology, TUM, Munich, Germany) |
| ARC | ALZip compressed archive file (ESTsoft) |
| ARC | ARC compressed archive file (SEA) |
| ARC | Cabela's African Safari archive file (Activision Value) |
| ARC | FreeArc archive file (Bulat Ziganshin) |
| ARC | Insight Cartesian coordinate archive file (Biovia) |
| ARC | Norton 360 backup archive file (Symentec) |
| ARC | PeaZip compressed archive file (PeaZip) |
| ARC | Super Mario Galaxy archive file (Nintendo) |
| ARC | WinZip compressed archive file (Corel) |
| ARCH | Illum Source Dotfiles File |
| ARCH00 | F.E.A.R. Game Archive (Monolith Productions, Inc.) |
| ARCH06 | Middle-earth: Shadow of War Game Archive |
| ARCHIMEDES | Speccy Snapshot |
| ARCHITECT | London Architect Design File (BSS Audio) |
| ARCHIVE | Apple Safari WebArchive Apple Safari WebArchive (Apple) |
| ARCHIVE | Compressed archive Compressed archive (Thom Henderson) |
| ARCHIVE | Cyberpunk 2077 archive Cyberpunk 2077 archive |
| ARCH_D | AutoCAD Architectural Drawings |
| ARD | Alphacam router drawing (Hexagon) |
| ARD | ArtiosCAD workspace (ESKO) |
| ARE | BioWare Aurora Engine Area (BioWare Corp.) |
| ARE | Infinity Game Engine Area Description (BioWare Corp.) |
| ARF | AOL Instant Messenger resource (AOL) |
| ARF | esay4C Tutor data (4CSoft) |
| ARF | Webex video recording (Cisco) |
| ARF | XnView MP bitmap (XnSoft) |
| ARFF | TensorFlow Machine Learning data set (Google Brain) |
| ARFF | Weka Machine Learning data set (University of Waikato) |
| ARG | AutoCAD user profile data file (Autodesk) |
| ARG | Resident Evil: Revelations cutscene access file (Capcom) |
| ARGB | Adobe Photoshop Storing Images |
| ARGO | ArgoUML Project |
| ARH | Archivers Definitions File (DN) |
| ARH | ArheoStratigraf ArheoStratigraf project (Dorel Micle) |
| ARH | ArHymo hydrologic simulation file (Instituto Nacional del Agua) |
| ARH | ProTool compressed ProTool project (Siemens) |
| ARI | Aristotle Audio |
| ARI | Compressed Archive |
| ARJ | 7-Zip compressed archive file (Igor Pavlov) |
| ARJ | ARJ compressed archive file (ARJ) |
| ARJ | Compressed Archive |
| ARJ | The Unarchiver compressed archive file (The Unarchiver) |
| ARJ | WinRAR compressed archive file (WinRar) |
| ARK | ARK11.COM archive file |
| ARK | Ark: Survival Evolved virtual game environment file (Studio Wildcard) |
| ARK | Managing Your Money Achive |
| ARK | Open Book text and bookmark data file (Arkenstone) |
| ARK | QuArk Compressed File Archive |
| ARKCHARACTERSETTING | ARK: Survival Evolved Character Customization |
| ARKPROFILE | ARK: Survival Evolved Player Profile |
| ARKTRIBE | ARK: Survival Evolved Tribe data |
| ARL | AOL Organizer (America Online, Inc.) |
| ARLOLD | AOL 6 Organizer (America Online, Inc.) |
| ARM | Acorn ROM/Disk Image File |
| ARM | Alphacam Router Parmeter Macro (Planit) |
| ARM | Armadillo Software Protection System |
| ARM64 | Operating systems and applications on ARM64 devices Execute ARM64 code |
| ARMA3PROFILE | ARMA 3 Player Profile |
| ARMX | ASP.NET Source File (Microsoft Corporation) |
| ARMY | Impossible Creatures Collection of Created Creatures (Microsoft Corporation) |
| ARN | Astronomical Research Network |
| ARN | CD Autorun Creator Package (DSW Software Team) |
| ARN | XMap Flight Plan or Flight Plan Statistic File (Delorme) |
| ARO | SteelArrow Web Application Server Script (Tomahawk Technologies) |
| ARP | Accounts report layout template (Simple Solutions) |
| ARP | Alphacam router post data (Hexagon) |
| ARP | Arlequin population genetics data (University of Bern) |
| ARP | Audition playback data (Adobe) |
| ARP | Audition replay data (Redbana) |
| ARP | Delphi report (Embarcadero) |
| ARP | Linux installation package data (Linux Foundation) |
| ARP | Smeta.RU construction estimate (StorySoft) |
| ARP | Spark AR Studio group patch (Facebook) |
| ARPX8 | Techno Toys Arp-X8 MIDI Arpeggiator File |
| ARQ | Compressed Archive |
| ARQ | Remedy Action Request System Client Macro |
| ARR | Amber ARR Bitmap Image |
| ARR | Atari Cubase Arrangement (Steinberg) |
| ARR | MicroImages Value Array (MicroImages, Inc.) |
| ARR | Remedy Action Request System Client Report |
| ARS | After Effects Render Settings (Adobe Systems Incorporated) |
| ARS | Artifax Report Editor |
| ARSC | Android Studio package resource (Google & JetBrains) |
| ART | Alphacam router tool data (HEXAGON) |
| ART | Android Studio application startup resource (Google) |
| ART | AOL compressed image (America Online) |
| ART | Art Director image (Mirrorsoft) |
| ART | ArtCAM model (Autodesk) |
| ART | Artlink embroidery design (BERNINA) |
| ART | Blood texures, sprites, and tiles (Monolith) |
| ART | Crayola art (Canon) |
| ART | Duke Nukem 3D textures, sprites, and tiles archive (Gearbox) |
| ART | First Publisher image (Software Publishing Corporation) |
| ART | Illustrator image (Adobe) |
| ART | Online Gerber Viewer PCB design (PCB Investigator) |
| ART | PC Tools scrapbook (Central Point) |
| ART | pfs:Art Publisher artwork (Software Publishing Corporation) |
| ART | Photo Studio image (ACDSee) |
| ART | Real-time Studio model (ARTiSAN) |
| ART | VORT bitmap (VORT) |
| ART | Xara drawing (Xara) |
| ARTICLE | Apple II operating system Golden Orchard Apple II CD Rom file |
| ARTWORK | ArtStudio bitmap (Drawing Hand) |
| ARTWORK | iOS Artwork Extractor user interface data (Dave Peck) |
| ARV | Arsiv |
| ARV | AutoRoute User Information (Microsoft Corporation) |
| ARV | Eschalon Setup Archive (Eschelon Development (24-2979 Panorama Dr., Coquitlam BC V3E 2W8, Canada)) |
| ARW | Imaging Edge RAW image (Sony) |
| ARW | Lightroom RAW image (Adobe) |
| ARW | Photoshop RAW image (Adobe) |
| ARX | ARX Compressed Archive |
| ARX | AutoCAD Runtime Extension (Autodesk, Inc.) |
| ARXML | DaVinci Configurator automotive ECU configuration file (Vector) |
| ARY | Compaq SmartStart Scripting Toolkit File |
| AS | A/UX (Apple) |
| AS | Animate ActionScript source code file (Adobe) |
| AS | Dispatch Alaska/Horizon Timetable File (Scott Andrew Borton) |
| AS | Dreamweaver ActionScript source code file (Adobe) |
| AS | Planning Analytics spreadsheet file (IBM) |
| AS2 | Adobe Flash Player, Microsoft Windows scripting, data storage |
| AS3 | Alternate Sources Data |
| AS3 | APL*PLUS II/386 and III/Windows Source Code |
| AS4 | AS/400 |
| AS? | LoseThos Assembly Source File (Terry A. Davis) |
| ASA | ASP.NET startup/termination script (Microsoft) |
| ASA | Visual InterDev startup/termination script (Microosft) |
| ASA | Visual Studio startup/termination script (Microsoft) |
| ASA | Visual Studio startup/termination script (Microsoft) |
| ASAR | Electron Electron app archive |
| ASAX | ASP.NET startup/termination script (Microsoft) |
| ASB | Alphacam Stone VB Macro (Planit) |
| ASC | 3DS Max 3D Scene (Autodesk) |
| ASC | ADONIS script (BOC Group) |
| ASC | Apophysis script (The Apohysis Project) |
| ASC | ArcGIS grid (ESRI) |
| ASC | Atlantis Word Processor spellcheck settings (The Atlantis Word Processor Team) |
| ASC | CANalyzer trace log (Vector) |
| ASC | Flash server-side script (Adobe) |
| ASC | ICT printed circuit board (Tebo) |
| ASC | LTspice electronic circuit schematic (Anaog Devices) |
| ASC | PADS electronic schematic design database (Siemens) |
| ASC | Pretty Good Privacy (PGP) public key (PGP Corporation) |
| ASC | RapidForm 3D geometric points/shapes (3D Systems) |
| ASC | SmartLab single pole figure (Rigaku) |
| ASC | Spectragryph ultraviolet sample (Spectragryph Team) |
| ASC | Sublime text (Sublime) |
| ASCII | Apple II operating system Golden Orchard Apple II CD Rom file |
| ASCX | ASP.NET web user control (Microsoft) |
| ASCX | Visual Studio web user control (Microsoft) |
| ASD | Alphacam stone drawing (Hexagon) |
| ASD | ASD Archiver compressed archive (Tobias Svensson) |
| ASD | Live audio analysis (Ableton) |
| ASD | Lotus 1-2-3 screen driver (IBM) |
| ASD | Media Encoder description (Microsoft) |
| ASD | Origins embroidery design (Origins) |
| ASD | WebMotion presentation (Astound) |
| ASD | Word document backup (Microsoft) |
| ASE | 3DS MAX scene export (Autodesk) |
| ASE | Alice scene export (Carnegie Mellon University) |
| ASE | Asperite sprite (David Capello) |
| ASE | Photoshop color swatch (Adobe) |
| ASE | Velvet Studio audio sample (Velvet Studio Developer) |
| ASEC | Android Studio secure application package (Open Handset Alliance) |
| ASEPRITE | Aseprite Sprite Editing |
| ASF | APL*Plus /PC APL shared data (Ken Iverson et al) |
| ASF | FIFA Football 2004 game music (Electronic Arts) |
| ASF | Lotus 1-2-3 font (IBM) |
| ASF | Media Player multimedia (Microsoft) |
| ASF | STATGRAPHICS data (Statgraphics) |
| ASF | VLC multimedia (VideoLAN) |
| ASG | Airport Tycoon Saved Game (Global Star Software) |
| ASH | Sony DSC-F828 Firmware Upgrade File (Sony) |
| ASH | TASM Assembler Header |
| ASH | Various Programs ASH Compressed Data |
| ASHBAK | Burning Studio backup file (Ashampoo GmbH & Co. KG) |
| ASHDISC | Burning Studio Disc Image File (Ashampoo GMBH & Co.) |
| ASHDISK | Ashampoo Burning Studio Disk Image (ashampoo GmbH & Co. KG) |
| ASHPRJ | Burning Studio Project (Ashampoo GMBH & Co.) |
| ASHT | HTTP Injector VPN configuration |
| ASHX | 7-zip compressed archive (XnSoft) |
| ASHX | Acrobat document (Adobe) |
| ASHX | ASP.NET web handler (Microsoft) |
| ASHX | Office document (Microsoft) |
| ASHX | Visual Studio web handler (Microsoft) |
| ASHX | XnView image (XnSoft) |
| ASI | Alpha Anywhere application variables (Alpha Software) |
| ASI | C++ Builder header (Embarcadero) |
| ASI | Grand Theft Auto V game modification library (Rockstar) |
| ASIC | ASIC Language Source Code |
| ASICE | Associated Signature Containers Signature Container (European Telecommunications Standards Institute) |
| ASICS | XAdES Signature Checker Secure ZIP Archive |
| ASJ | Aldfaer |
| ASK | Ad-Aware Skin File (Lavasoft) |
| ASK | ALShow Media Player Skin (ESTsoft) |
| ASK | askSam Database (askSam Systems) |
| ASK | Astrotite Skin (Fantiusen Software) |
| ASK | Daqarta Extended Audio Data (Interstellar Research) |
| ASL | AppSight console log file (BMC) |
| ASL | macOS system log file (Apple) |
| ASL | Messenger emoticon file (Meta Platforms) |
| ASL | Photoshop layer style file (Adobe) |
| ASL | Quest scripting language file (Alex Warren) |
| ASLQUERY | OS X Console Query (Apple Inc.) |
| ASLX | Quest Text Adventure Source |
| ASM | Alphacam stone parameter macro (Hexagon) |
| ASM | Creo assembly (PTC) |
| ASM | Solid Edge assembly (Siemens) |
| ASM | Sublime source code (Sublime) |
| ASM | Visual Studio source code (Microsoft) |
| ASM1 | Apple II operating system Golden Orchard Apple II CD Rom file |
| ASMDAT | Extech Light Meter (Extech Instruments Corporation) |
| ASMX | ASP.NET web service script (Microsoft) |
| ASMX | Visual Studio web service script (Microsoft) |
| ASN | Atlantis Word Processor Sound Scheme (Rising Sun Solutions, Inc.) |
| ASN | Chemical Interchange Format (Old Form) |
| ASN | GameSpy Arcade Skin (IGN Entertainment, Inc.) |
| ASN1 | Asn Specs |
| ASND | Soundbooth Sound Document (Adobe Systems Incorporated) |
| ASO | Assembler Object |
| ASO | Astound Dynamite Objects |
| ASO | Flash Cache File (Adobe Systems Incorporated) |
| ASP | AlphaCAM stone post data file (Hexagon) |
| ASP | ASAP WebShow presentation file (Software Publishing Corporation) |
| ASP | Aspen/2 Data Manager database file (Tekton Software) |
| ASP | Astound presentation file (Astound) |
| ASP | EROSION-3D aspect file (GeoGnostics) |
| ASP | MicroLab spectral file (Agilent) |
| ASP | Photoshop color separation setup file (Adobe) |
| ASP | Photoshop photo file index (Adobe) |
| ASP | Procomm Plus script file (Symantec) |
| ASP | Visual Studio active server page script (Microsoft) |
| ASPHTML | ASP HTML (Microsoft Corporation) |
| ASPI | Audio Catalyst |
| ASPR | ASProtect (ASPACK SOFTWARE) |
| ASPR | ASPRunnerPro ASPRunnerPro Project File (XLineSoft) |
| ASPX | 7-zip compressed archive (Igor Pavlov) |
| ASPX | Acrobat document (Adobe) |
| ASPX | ASP.NET web page (Microsoft) |
| ASPX | Thunderbird email message (Mozilla) |
| ASPX | Visual Studio web page (Microsoft) |
| ASPX | WordPad text document (Microsoft) |
| ASPX | XnView image (XnSoft) |
| ASR | Dreamweaver ActionScript Remote file (Adobe) |
| ASR | Photoshop scratch file (Adobe) |
| ASR | Sniper Elite Audio Streaming Resource archive (Rebellion) |
| ASR | Streets & Trips saved route file (Microsoft) |
| ASR_EN | Asura Engine Game Text/Subtitles |
| ASS | Aegisub subtitle (Aegisub Contributors) |
| ASS | ASS I/O compressed archive (ASS I/O Developers) |
| ASS | Assembler/Disassembler 68HC11 assembled code (Orgler) |
| ASS | Frazionare data (Ivana) |
| ASS | Media Player Classic subtitle (Media Player Classic Developers) |
| ASS | Splinter Cell: Blacklist game data (Ubisoft) |
| ASS | WarRock game asset (Papaya Play) |
| ASSET | Unity asset game resource archive file (Unity) |
| ASSETBUNDLE | Unity Game Assets |
| ASSETBUNDLES | Unity Unity Game Data |
| ASSETGROUP | XFPlay Encrypted video cache |
| ASSETS | Unity 3D assets archive (Unity) |
| ASSOC | Associate This File Association Database (Spearit) |
| AST | Ability Spreadsheet Ability Spreadsheet Template (Ability Software) |
| AST | AppleWorks assistant file (Apple) |
| AST | Astound Astound presentation (Astound) |
| AST | AstroGrav AstroGrav simulation file (AstroGrav Astronomy Software) |
| AST | Need for Speed: Underground audio file (Electronic Arts) |
| AST | Photoshop Adobe color Separations Table file (Adobe) |
| AST | SX-KN6000 custom style file (Technics) |
| AST | Wii Audio Stream (Nintendo) |
| AST | WordPerfect WordPerfect document template (Corel) |
| AST2 | Astrotite (Fantiusen Software) |
| ASTA | Astah UML Diagrams |
| ASV | Finale data backup file (MakeMusic) |
| ASV | Mail data backup file (Pegasus Mail) |
| ASV | MATLAB autosave file (The MathWorks, Inc.) |
| ASV | NotePad 2004 audio data file (MakeMusic, Inc.) |
| ASV | Photoshop settings file (Adobe Systems Incorporated) |
| ASV | Train Simulator game backup file (Dovetail Games) |
| ASV | Xpress data backup file (Quark Software Inc.) |
| ASWCS | avast! Antivirus Skin (ALWIL Software) |
| ASWS | avast! Antivirus Skin (ALWIL Software) |
| ASX | ActiveSite extension (Jonathon Rossi) |
| ASX | Anywhere temporary index (Alpha) |
| ASX | Backup backup script (Cheyenne) |
| ASX | Media Player playlist (Microsoft) |
| ASX | VLC playlist (VideoLAN) |
| ASXML | AudioPlayer XML Music Playlist (Adrian Wright) |
| ASY | LTspice/SwitcherCAD III Circuit Diagram (Linear Technology) |
| ASZ | LoseThos Assembly Source File (Terry A. Davis) |
| AS_ | Winhelp Compressed File |
| AT | Rescue Disk file |
| AT2 | Persuasion Ver. 2.0 Auto Template (Adobe Systems Incorporated) |
| AT2 | WinControl DCX-AT3000 Motion Control Command Language File (Precision MicroControl Corp.) |
| AT3 | Airport Tycoon Version 3 Saved Game (Global Star Software) |
| AT3 | Playstation Audio File (Sony Corporation of America) |
| AT3 | WinControl DCX-AT3000 Motion Control Command Language File (Precision MicroControl Corp.) |
| AT5 | Lowrance Airport AirMap File (Lowrance) |
| AT5 | NauticPath Marine Electronic Chart (Lowrance) |
| ATA | Antenna Project (Julian Spencer) |
| ATB | Alphacam Lathe VB Macro (Planit) |
| ATB | TechMed Annotation ToolBar (TechMed) |
| ATC | AceText Collection (JGsoft - Just Great Software) |
| ATC | AutoCAD Catalog (Autodesk, Inc.) |
| ATC | Sniffer Capture File (Network Associates Technology, Inc.) |
| ATD | Alphacam Lathe Drawing (Planit) |
| ATD | MS Systems Management Server SMSADDIN.EXE tool registration |
| ATE | Office Accounting backup file (Microsoft Corporation) |
| ATF | GenePix array file and/or result file (Molecular Devices Corporation) |
| ATF | Photoshop transfer function settings file (Adobe Systems Incorporated) |
| ATF | Sharp APL export file (Molecular Devices Corporation) |
| ATG | Netmino File |
| ATH | Alphacam Lathe Thread (Planit) |
| ATH | Athena Document (Bertil Rolf and Charlotte Magnusson) |
| ATHEME | Amazing clock Theme (Amazing-Clock.com) |
| ATI | Office Accounting backup file (Microsoft Corporation) |
| ATK | Andrew Toolkit Raster Object Bitmap |
| ATL | Artlantis Artlantis 3D Scene File (Abvent) |
| ATL | ATP Assembler Source (Brancepeth Computer Publications) |
| ATL | AutoTap Log File (B&B Electronics) |
| ATL | PROGNOSIS Atlas document file (Integrated Research) |
| ATL | ScreenReader application data file (Dolphin) |
| ATLAS | libGDX texture atlas configuration (libGDX) |
| ATLAS | libGDX UI skin (libGDX) |
| ATLAS | Phaser Editor texture atlas configuration (Arian Fornaris) |
| ATLAS | Phaser Editor texture atlas generation setting (Arian Fornaris) |
| ATM | .nugthat Player nuggets compressed archive (Nuggets) |
| ATM | Alphacam Lathe parameter macro (Hexagon) |
| ATM | Terragen 3D scene light and atmosphere (Planetside) |
| ATM | The Universal 3D Model/Texture File (The Universal Development Team) |
| ATM | Trojan malware |
| ATM | Type Manager fonts data (Adobe) |
| ATM | Vue 3D scene atmosphere (e-on) |
| ATMN | Automation Anywhere Automation Macro (Tethys Solutions, LLC.) |
| ATMSPHR | TerragGen Atmosphere (Planetside Software) |
| ATN | Daqarta Extended Audio Data (Interstellar Research) |
| ATN | Photoshop Action File (Adobe Systems Incorporated) |
| ATO | ATO Modeler Project File (E2S n.v.) |
| ATO | Just Burn File (Sonic Solutions) |
| ATOM | King's Bounty: Crossworlds game data (Fulqrum) |
| ATOM | Maya animation (Autodesk) |
| ATOM | RSSOwl web feed (RSSOwl) |
| ATP | Alphacam Lathe Post (Planit) |
| ATP | Anti Tracks Plug-in (RIGHT Utilities, Inc.) |
| ATP | ATRAC Coded File |
| ATP | Automise Project File (VSoft Technologies Pty Ltd.) |
| ATP | Visual Studio .NET ACT Project (Microsoft Corporation) |
| ATP | WebEx Online conferencing service poll questionnaire file (Cisco WebEx) |
| ATPJ | Arctime Pro Subtitle Translation |
| ATPT | Zoho Analytics Encrypted Report |
| ATPZ | Automise Compressed Project File (VSoft Technologies Pty Ltd.) |
| ATR | 7-zip compressed data (Igor Pavlov) |
| ATR | Lightscape material library (Autodesk) |
| ATR | MATLAB electrocardiogram recording (MathWorks) |
| ATR | OrCAD PCB Designer PCB attributes report (Cadence) |
| ATR | Xformer disk image (Xformer Developers) |
| ATS | Attityd Swedish Survey Program |
| ATS | Unrelated Inventions Audiotools Plug-in |
| ATSP | Concorde TSP Solver, other ATSP solvers ATSP problem data |
| ATT | 7zip data (Igor Pavlov) |
| ATT | Acrobat document (Adobe) |
| ATT | Alphacam lathe tool (Hexagon) |
| ATT | Post Data Spider web form data (Giuseppe Buttafuoco) |
| ATT | SeeYou waypoint (Naviter) |
| ATT | Vissim traffic flow simulation result (PTV) |
| ATT | XnView fax message (XnSoft) |
| ATT | ZipLip secure email message (ZipLip) |
| ATT000 | Microsoft Outlook email attachment |
| ATT00001 | Microsoft Outlook Email components |
| ATT00002 | Adobe Photoshop and other image editing/viewing software Storing images |
| ATT00003 | various image editors and viewers Image files |
| ATT00004 | various image viewers and editors Storing images |
| ATT00005 | Digital Cameras and Image Editing Software JPEG Image File |
| ATT0002 | AT&T Mail HTML email fragment |
| ATTACHMENT | Email clients (e.g., Microsoft Outlook) Email attachments |
| ATTACHMENT1 | email clients email attachment |
| ATTHEME | Telegram Telegram theme file |
| ATTR | iPhoto Image Attributes (Apple Inc.) |
| ATTRIBUTES | ARM Compiler 6 Compiler Metadata |
| ATTRLIST | Mentor Graphics PADS, CAM350 Layer Attribute Storage |
| ATW | AnyTime Deluxe PIM File |
| ATW | Attityd Swedish Survey Program |
| ATX | Alphasoft Trueterm 2001 Dictionaries |
| ATX | WinZip zip file (Corel Corporation) |
| ATX17EXPORT | Tax Preparation Software Tax Form Data |
| ATXBACKUPDATA | ATX Tax Software Data Backup |
| ATY | Topicscape Association Type Exported (3D-Scape Limited) |
| ATZ | Aston Compiled Theme (Gladiators Software) |
| AT_ | Audio Utility Winatb Compressed File |
| AU | Audacity audio block (The Audacity Team) |
| AU | VLC sound/music (VideoLAN) |
| AU3 | AutoIt Script Editor script (AutoIt Consulting) |
| AU3 | Sublime script (Sublime) |
| AU? | LoseThos AutoFile (Terry A. Davis) |
| AUC | Advanced URL Catalog Database (Jordysoft.com) |
| AUD | Audacity music project (The Audacity Team) |
| AUD | Command & Conquer game sounds/music (Electronic Arts) |
| AUD | Oracle Database audit trails (Oracle) |
| AUD | PowerDVD audio data stream (CyberLink) |
| AUD | SAP ERP security audit logs (SAP) |
| AUD | WeChat voice message (Tencent) |
| AUD | Winamp sounds/music (Radionomy) |
| AUDIO | Apple II operating system Golden Orchard Apple II CD Rom file |
| AUF | Alphacam User Font (Planit) |
| AUF | ASAUpdaterV2 Update File (ASA Datec Datensystem GmbH) |
| AUF | Audacity Block File |
| AUF | Hansen Information Technologies Login Information (Hansen Information Technologies) |
| AUP | ABCgames Cheater update library (ABCgames.cz) |
| AUP | Audacity audio project (The Audacity Team) |
| AUP | ePocrates CME data (ePocrates) |
| AUP3 | Audacity Audio Project |
| AUP3-SHM | Audacity Audio Project Data |
| AUP3-WAL | Audacity Audacity undo history |
| AUPD | Windows Update File |
| AUR | AutoREALM Map |
| AUR | Sheffield Thesaurus file |
| AUS | Agnitum Outpost Firewall Configuration |
| AUS | AutoREALM Symbols |
| AUT | Authentication File |
| AUT | AUTHOR eLearning Module (Microcraft) |
| AUT | AutoIt (pre Ver. 3) Script (HiddenSoft) |
| AUT | Autostart Adware Malware |
| AUT | Descent Manager Mission File |
| AUT | GPSMan-autoMapic File |
| AUT | Interactive Pictures iPIX Format |
| AUT | PocketWear Car Lease Kit Vehicle Data File |
| AUT | Signwave Auto-Illustrator File |
| AUT | TLG Workplace CD Search File |
| AUT | Xitami Webserver Admin Password File |
| AUTOCONF | UNIX File |
| AUTOMATICDESTINATIONS-MS | Microsoft Windows Jump List destinations |
| AUTOREG | Mozilla (Netscape) Auto Registration Clue (Mozilla.org) |
| AUTOSAVE | various software applications backup, autosave |
| AUX | ChiWriter auxilliary reference file (Horstmann Software Design Corporation) |
| AUX | Geospatial Imaging ERDAS IMAGINE and LPS data file (OmniSci, Inc.) |
| AUX | LaTeX auxilliary reference file |
| AUX | MegaHAL graphics format (Ai Research) |
| AV | CMS surveillance video (Yoosee) |
| AV | Final Draft movie script (Final Draft) |
| AV | VLC surveillance video (VideoLAN) |
| AV3 | Hikvision DVRs and NVRs Hikvision video file |
| AVA | Avagio Publication |
| AVA | Photoshop Variations File (Adobe Systems Incorporated) |
| AVA4 | AvaSoft Apparel design |
| AVASTGF | Avast Antivirus Avast license file |
| AVASTLIC | Avast Antivirus Avast License File |
| AVATAR | Animaze Avatar 2D/2D avatar (Holotech) |
| AVATAR | Animaze Editor 2D/2D avatar (Holotech) |
| AVATAR | Talk profile picture (Google) |
| AVB | Inoculan Anti-Virus infected data (CA) |
| AVB | Live Messenger avatar (Microsoft) |
| AVB | Media Composer bin (Avid) |
| AVB | Sage 300 macro archive (Sage) |
| AVC | Anti-virus virus definitions update (Kaspersky Lab) |
| AVC | Media Composer video script (Avid) |
| AVC | VLC multimedia (VideoLAN) |
| AVCHD | VLC video recording (VideoLAN) |
| AVD | Android Studio android virtual device (Google) |
| AVD | Design and Print database (Avery) |
| AVD | DOS 7 data (Microsoft) |
| AVD | Movie Edit Pro video information (Magix) |
| AVD | VLC video recording (VideoLAN) |
| AVE | ArcGIS script (ESRI) |
| AVE | Avigilon Control Center video (Avigilon) |
| AVE | Media Composer user-specific settings (Avid) |
| AVE | Media Player video (Microsoft) |
| AVERY | Design & Print label design project (Avery) |
| AVF | AccountsVision Workbook (AccountsVision Ltd) |
| AVF | Video Information |
| AVG | AVG Virus Information Database (AVG Technologies) |
| AVG | Grlib Urt Get Getami File |
| AVHD | Hyper-V snapshot (Microsoft) |
| AVHDX | Windows Server hardware configuration file (Microsoft) |
| AVI | AviSys bird watcher database (Jerry Blinn) |
| AVI | Media Player video (Microsoft) |
| AVI | Movies & TV video (Microsoft) |
| AVI | VLC video (VideoLAN) |
| AVIEX | AVI-Mux GUI Polish AVI video |
| AVIF | AV1 Image File AV1 Image File (Alliance for Open Media) |
| AVL | ArcView Theme Legend File (ESRI) |
| AVL | Video Fun File |
| AVM | AVG Incremental Persistent File (AVG Technologies) |
| AVM | AVISO Geographic Information System Map File (Wojciech Pomianowski) |
| AVN | altaVENTE Application User Notes (altaVENTE) |
| AVP | AntiVir Scanner Parameters (Avira GmbH) |
| AVP | ArcView Pallet File (ESRI) |
| AVP | Avid Project |
| AVR | Awave Studio music (FMJ) |
| AVR | EF Player surveillance video (EverFocus) |
| AVRO | Avro serialized data file (Apache) |
| AVRO | Hadoop serialized data file (Apache) |
| AVS | Application Visualization System bitmap (Stardent) |
| AVS | AviSynth script (AviSynth) |
| AVS | Media Composer project preferences (Avid) |
| AVS | Photoshop image adjustment settings (Adobe) |
| AVS | VLC video (VideoLAN) |
| AVS | Winamp preset (Radionomy) |
| AVSC | Apache Avro Data schema definition |
| AVT | Avatar model 3D model (CLO 3D) |
| AVT | Avatar-coding File 3D model (Marvelous Designer) |
| AVUX | Argus Valuation Valuation Data |
| AVX | ArcView Extension File (ESRI) |
| AVX | Avid Extensions |
| AW | Answer Wizard (Microsoft Corporation) |
| AW | Applix Word |
| AW | Free Pascal Archive File for Windows Version (FPC Development Team) |
| AW | HP AdvanceWrite Text File |
| AW2 | Apple II operating system Golden Orchard Apple II CD Rom file |
| AWA | ActiveWords Application (ActiveWord Systems, Inc.) |
| AWA | Animation Works Accelerated Movie |
| AWB | ActiveWords word base (ActiveWord Systems) |
| AWB | Adaware Antivirus backup (Adaware) |
| AWB | RealPlayer music/voice recording (RealNetworks) |
| AWBS | Automated Weight and Balance System (AWBS) Data Storage File (Lockheed Martin Corporation) |
| AWC | RAGE Audio Tool Game audio data |
| AWD | Artweaver painting (Boris Eyrich) |
| AWD | Award BIOS (Phoenix) |
| AWD | Away3D 3D model (Away) |
| AWD | AWK source code |
| AWD | BLACK game data (Electronic Arts) |
| AWD | BlueCielo batch list (Solidworks) |
| AWD | FaxView document (Microsoft) |
| AWE | Acrobat Bookmark XML File (Adobe Systems Incorporated) |
| AWF | Qui veut gagner des millions Archive |
| AWF | Who Wants to be a Millionaire Archive |
| AWH | ActiveWorlds Browser Help File (Activeworlds, Inc.) |
| AWK | awk text/pattern processing script (The GNU Project) |
| AWL | Ad-Aware Language File (Lavasoft) |
| AWL | AWL Programming Language |
| AWLIVE | Active WebCam Live Capture (PY Software) |
| AWM | AllWebMenus |
| AWM | Animation Works Movie |
| AWM | RenderWare Language Pack (Criterion Software) |
| AWP | Ability Office Write Document Template (Ability Software) |
| AWP | ActiveWords Productivity Log (ActiveWord Systems, Inc.) |
| AWP | Akimbot Waypoint File |
| AWP | MS Fax Key Viewer |
| AWR | Ad-Aware Reference File (Lavasoft) |
| AWR | Telsis Digital Audio File |
| AWS | Ability Office spreadsheet file (Ability Software) |
| AWS | ActiveWords system file (ActiveWord Systems) |
| AWS | AutoCAD work space file (Autodesk) |
| AWSHORTCUT | ActiveWords Shortcut (ActiveWord Systems, Inc.) |
| AWT | AbiWord Document File (The AbiSource Community) |
| AWT | AlbumWeb |
| AWW | Ability Write document (Ability) |
| AWW | AWW configuration (AWW Developer) |
| AWX | Custom Application Wizard |
| AWX | DirectX 8.1 (Microsoft Corporation) |
| AWX | Fax |
| AWZIP | ActiveWords Compressed Solution (ActiveWord Systems, Inc.) |
| AW_ | Quartz Sets Compressed File |
| AX | ATI DA Interface Handler (ATI Technologies Inc.) |
| AX | DirectShow Filter (Microsoft Corporation) |
| AX | Modula-3 Linker Information for Libraries |
| AX | MPEG-4 DVD Filter |
| AX2 | Apex Ver. 2 Sketch File (Apex Software) |
| AX3 | Apex Ver. 3 Sketch File (Apex Software) |
| AXA | Annodex Profile |
| AXB | Alpha Five Xbasic Script (Alpha Software, Inc.) |
| AXD | 7-Zip compressed archive (Igor Pavlov) |
| AXD | Actrix Technical 2000 data (Autodesk) |
| AXD | ASP.NET web resource handler (Microsoft) |
| AXD | Dynamics 365 package/print error message (Microsoft) |
| AXD | Label Pro index information (Avery) |
| AXD | Office document (Microsoft) |
| AXD | Telerik Reporting report (Progress) |
| AXD | Visual Studio web resource handler (Microsoft) |
| AXD | XnView image (XnSoft) |
| AXE | AutoRoute map export (Microsoft) |
| AXE | ChordMaster music tablature (Hitsquad) |
| AXE | LMX annotated XML example (CodaLogic) |
| AXE | Paradigm C++ debug data (Paradigm Systems) |
| AXE | PChord compressed music tablature (Rick Eesly) |
| AXF | Apex Ver. 1 Sketch File (Apex Software) |
| AXF | Mira File List (Mirametrics, Inc.) |
| AXG | AutoRoute Trip File (Microsoft Corporation) |
| AXI | Axiom Composite File Management System |
| AXI | MetaToolsFile Kai's Power Goo Picture Library |
| AXL | ArcIMS XML Project |
| AXL | ASCET Archived XML (ETAS GmbH) |
| AXLS | Authentica Secure Office Protected Excel Document (Authentica) |
| AXM | AXMEDIS MPEG-21 File (AxMediaTech S.R.L.) |
| AXP | Anvil Express preview file (MCS ReAnsys) |
| AXP | AppGini database project file (BigProf) |
| AXP | ArgoBar project file (Argox) |
| AXP | AX3000G/Extra Preset Program preset program file (Korg) |
| AXP | CDBurnerXP audio compilation file (Canneverbe) |
| AXP | Dragon Oath game archive (Changyou) |
| AXP | eCADLite data file (GraphStore) |
| AXP | Pinnacle Studio project file (Pinnacle) |
| AXPP | Microsoft Dynamics 365 for Finance and Operations Project data file |
| AXQ | Ada ADA Editor File |
| AXR | AXIS Diplomat Report File (Systems AXIS Ltd.) |
| AXR | ElcomSoft Advanced Archive Password Recovery |
| AXR | Telsis Digital Audio File |
| AXS | HTML; ActiveX Script |
| AXS | MindAvenue AXEL Stream File |
| AXT | Photoshop Replace Color/Color Range (Adobe Systems Incorporated) |
| AXT | ZENworks Desktop Management snAPPshot ASCII Application Object Template (Novell, Inc.) |
| AXTR | Microsoft Dynamics 365 Task Recording |
| AXV | Annodex Video Profile |
| AXVI | Axialis IconGenerator Axialis IconGenerator Icon Collection (Axialis) |
| AXX | AxCrypt Encrypted File (Axon Data) |
| AY | AY Chip Sound (Project AY) |
| AY | Dispatch Finnair Timetable File (Scott Andrew Borton) |
| AYA | RPG-Maker2000 Project Launcher Saved Game File |
| AYM | Z80 Music Code With AY Music |
| AYS | AY-Paste Paste File |
| AYT | Quran Auto Reciter, AYT Editor Quran audio, YouTube templates |
| AYU | AY-Paste Uninstall Information |
| AZ | WinDVD File |
| AZ! | Vuze Vuze (Vuze Inc) |
| AZA | QazaR Compressed Archive |
| AZD | Amazone Downloader Download Seed File (Amazon.com, Inc.) |
| AZF | AirZip FileSECURE Secure Format File (AirZip, Inc.) |
| AZM | CP/M Disk Fix File |
| AZS | AirZip FileSECURE Secure Format File (AirZip, Inc.) |
| AZW | Kindle e-book (Amazon) |
| AZW1 | Kindle eBook Format (Amazon.com, Inc.) |
| AZW3 | Kindle e-book (Amazon) |
| AZX | ZX Audio Sound File |
| AZZ | AZZ Cardfile Information Card (Antanas Zdramys) |
| A_T | Atrain |
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