Alphabetic File Extension List

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: 1078.

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Extension Information
R Xcode Core Rez Program (Apple Inc.)
R Macintosh Resource Similar to RC
r Ratfor FORTRAN Preprocessor File
R REBOL Script or Data File (REBOL Technologies)
R Paradox File
R Pegasus Mail Resource File (David Harris)
R Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
R Progress Database Compiled Program File (Progress Software Corporation)
R00 WinRAR Split Compressed Archive (RarLab)
R01 MicroStation Modification Resource (Bentley Systems, Incorporated)
R01 WinRAR Split Compressed Archive (RarLab)
R02 WinRAR Split Compressed Archive (RarLab)
R03 WinRAR Split Compressed Archive (RarLab)
R04 WinRAR Split Compressed Archive (RarLab)
R05 WinRAR Split Compressed Archive (RarLab)
R06 WinRAR Split Compressed Archive (RarLab)
R07 WinRAR Split Compressed Archive (RarLab)
R08 TaxCalc Tax File (Acorah Software Products Ltd.)
R08 WinRAR Split Compressed Archive (RarLab)
R09 WinRAR Split Compressed Archive (RarLab)
R1A Yamaha RM1x Dance-Music Workstation (Yamaha Corporation of America)
R1M RealOne Metadata Package (RealNetworks)
R1W Reflection Setting File (WRQ)
R2A Yamaha RS7000 Music Production Studio Sequencer (Yamaha Corporation of America)
R2A RS7000 All Data (Yahama Corporation)
R2D Reflex Ver. 2 Data File (Borland Software Corporation)
R2D RISA-2D Simple Analysis & Design
R2K Repertoire 2000 Music Database
R2P RS7000 Pattern Data (Yahama Corporation)
R2P Yamaha RS7000 Music Production Studio Sequencer (Yamaha Corporation of America)
R2S RS7000 Song Data (Yahama Corporation)
R2W Reflection Setting File (WRQ)
R36 Recomposer MIDI Sequencer Music File
R3A Yamaha RS7000 Music Production Studio Sequencer (Yamaha Corporation of America)
R3A RS7000 Sample Data (Yahama Corporation)
R3D RISA-3D 3D Analysis & Design
R3D Redcode Raw Video Image File (RED Digital Cinema Camera Company)
R3D Realsoft 3D Image (Realsoft Graphics Oy)
R3D Raider3D Image File (OKYZ SA)
R3P RS7000 Sample Data (Yahama Corporation)
R3P Yamaha RS7000 Music Production Studio Sequencer (Yamaha Corporation of America)
R4W Reflection Setting File (WRQ)
R5 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
R64 Top Secret Crypto Gold Transformed E-mail File (TAN$TAAFL Software Company)
R8 Flight Simulator Texture File
R8 PictureMaker Red Channel Image Data (Cubicomp)
R8 RAW Graphic File
R81 Flight Simulator Texture File (Microsoft Corporation)
R82 Flight Simulator Texture File (Microsoft Corporation)
R8L LaserJet Landscape Font
R8P Intellifont PCL 4 Bitmap Font File
R8P LaserJet Portrait Font
RA RealMedia Streaming Media (Real Networks, Inc.)
RA Remote Access Data File
RA3 RA3DIO Terrain Information (xeraina GmbH)
RA6 ReliaSoft ALTA 6
RABBIT Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RAC Venue Race Application Race Description File (Concept2 Inc.)
RAC Conversation with Racter
RAC Win2020 Screen Subtitle (Screen Subtitling Systems)
RAD Rhapsody Cache (RealNetworks)
RAD Radiance Scene Description Format
RAD Reality AdLib Tracker 2-op FM Music
RADIOREVOLUTION Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RAF Illum Source RK File
RAF Fuji CCD-RAW Graphic File (Fuji Photo Film U.S.A., Inc.)
RAG Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RAI SPEFO Stellar Spectra Analysis File
RAIDERS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RAIL DeckTools Custom Railing Design (DeckTools)
RAINDROPPIC Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RAINY Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RAL Right Track Layout File (Atlas Model Railroad Co., Inc.)
RAM RealMedia Metafile (RealNetworks, Inc.)
RAMBLOCKS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RAMCARD Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RAMDISK Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RAMSON Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RAN Dexterpen File
RAP Redox DAS Plug-in (REDOX d.o.o.)
RAP Magix Musstu Rap File
RAP Scientific Workplace Wrap File (MacKichan Software, Inc.)
RAP Rapidocs Document
RAP RapAnalyst Knowledge Filter file (Raptor International)
RAP RadASM Project File (KetilO)
RAP Raptor (programming environment) file (Martin C. Carlisle)
RAP RunAs Professional Configuration (MAST Hard- & Software / MAST Webdesign)
RAPP Adesso Replication Application (Adesso Systems, Inc.)
RAQ Colbalt Server Backup
RAR Java JCA Resource Adapter Module (Sun)
RAR WinRAR Compressed Archive (RarLab)
RARENX egis Encrypted RAR File (HiTRUST Inc.)
RAS Sun Raster Graphic (Sun)
RAS Sky Subtracted Data
RAS Cals Raster File
RAS Supposed Compressed Torrent File
RAS Max Payne Data File (Rockstar Games)
RASMOL RasMol File
RASMOLRC RasMol Configuration File
RAST Spore Texture/Model File (Electronic Arts, Inc.)
RAST Sun Raster Graphic
RASTER Spore Texture/Model File (Electronic Arts, Inc.)
RAT RandyTab Tablature (Randy Inc.)
RAT Recreational Software Advisory Council
RAT Nimbus 7 SAMS Data File
RAT Rating System File
RAT RATS Data
RATDVD ratDVD DVD Container (RatDVD - Canada)
RATES Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RAV Rave Reports Project File (Nevrona Designs)
RAV Fifa 2001 Environment Data
RAV Rising Antivirus Quickscan File (Rising Antivirus International Pty Ltd)
RAW Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RAW Nicolet Summit/DaStar Data File (Nicolet Instrument Technologies, Inc.)
RAW Raw Signed PCM Data
RAW RDosPlay RAW Audio Format
RAW RealAudio Sound
RAW Sentry 2020 Encryption File
RAW Spectrum Raw Memory Dump
RAW V41/eV41 Program Files
RAW RAW RGB 24-bit Graphic
RAW Raw Data for CD-ROM Writing (Nero AG)
RAW Nimbus 7 SAMS Data File
RAW Image Alchemy HSI Temporary Raw Bitmap
RAW VitaGraph File
RAX RealMedia Streaming File (Real Networks, Inc.)
RAX Extended RAW Triangles
RAY Rayshade
RB RocketEdition eBook File (Gemstar eBook)
RB Ruby on Rails Class File (Ruby on Rails Project)
RB Rosebud Configuration Profile (Harald-René Flasch)
RB Ruby Script (Ruby Community)
RB REALbasic Project (REAL Software, Inc.)
RB Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RB0 Anti-Virus Backup
RB1 Anti-Virus Backup
RB1 R:Base Data (R:BASE Technologies, Inc.)
RB2 R:Base Data (R:BASE Technologies, Inc.)
RB2 Anti-Virus Backup
RB3 Anti-Virus Backup
RB3 R:Base Data (R:BASE Technologies, Inc.)
RB4 Anti-Virus Backup
RB4 Resume Builder Ver 4 Data File (Sarm Software)
RB4 R:Base Data (R:BASE Technologies, Inc.)
RB5 Anti-Virus Backup
RB6 Anti-Virus Backup
RB7 Anti-Virus Backup
RB8 Anti-Virus Backup
RB9 Anti-Virus Backup
RBB Top Secret Crypto Gold Random Bits Bin File (TAN$TAAFL Software Company)
RBBAS REALbasic Class (REAL Software, Inc.)
RBC Easy Resume Creator Pro Resume (Sarm Software)
RBF Oracle Backup File
RBF Rollback File (Microsoft Corporation)
RBF R:Base Data (R:BASE Technologies, Inc.)
RBF Quartus II Raw Binary File (Altera Corporation)
RBFRM REALbasic Window (REAL Software, Inc.)
RBG RegexBuddy GREP Action (JGsoft - Just Great Software)
RBH RoboHelp Configuration
RBI Adressmn
RBI eBahn Reader (Bentley Publishers)
RBJ XRK - eXtra Redcode Kit RedCode Warrior (Marco Pontello)
RBK Windows 95 Registry Backup File (Microsoft Corporation)
RBL RegexBuddy Library (JGsoft - Just Great Software)
RBM ReBirth Modulation v2.0 (Propellerhead Software)
RBM Rail Baron Player Map
RBMNU REALbasic Menu (REAL Software, Inc.)
RBN Real Sound File
RBN Richard's Bridge Notation
RBO Sometimes associated with the Magistr.B Worm
RBO REALbasic Class (REAL Software, Inc.)
RBP REALbasic Project (REAL Software, Inc.)
RBP RoutineBot project file (AKS-Labs)
RBPM Portable Bitmap
RBR Wordnet Backup File (NICE Systems Ltd.)
RBRES REALbasic Resource (REAL Software, Inc.)
RBS ReBirth Song (Propellerhead Software)
RBS RealiMation 3D Object
RBS Rollback Script (Microsoft Corporation)
RBS Rutherford Backscattering Spectroscopy Analysis Package
RBT REALbasic Project (REAL Software, Inc.)
RBT LEGO NXT Brick (The LEGO Group)
RBVCP REALbasic Project (REAL Software, Inc.)
RBW REALbasic Window (REAL Software, Inc.)
RBX RapidBuilder Multimedia Simulation Format (XStream Software)
RBX Ruby on Rails Script (Ruby on Rails Project)
RBX REALbasic Plug-in (REAL Software, Inc.)
RBXL ROBLOX Game File (ROBLOX Corporation)
RBXM ROBLOX Model (ROBLOX Corporation)
RBZ Rail Baron Player Saved Game
RC Visual C++ Resource Script (Microsoft Corporation)
rc UNIX Configuration or Initialization File
RC Mozilla (Netscape) Subscription Information (Mozilla.org)
RC PowerBASIC Resource Script (PowerBASIC, Inc.)
RC C++ Resource Compiler Script File (Borland Software Corporation)
RC Compiler Resource File
RC Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RC2 ReCycle v.2 Audio Loop
RC2 Developer Studio Non-editable Resources (Microsoft Corporation)
RC3 Vc98 Resources File
RCD pcAnywhere Recorded Session File (Symantec Corporation)
RCD Formula 1 Car Race 2001 Season01 Drivers File
RCD Arcade Input File (Kirk Martini, University of Virginia)
RCE NTgraph GUI Control 3D File
RCF Colin Mc Rae Car Race Configuration
RCF Prototype Game Data File (Activision Blizzard Inc.)
RCF Rhapsody Cache (RealNetworks)
RCG Netscape Newsgroup File
RCG Reliable Change Generator Data File (Psytek Ltd.)
RCH SWAT Reach Output File
RCI SPEFO Stellar Spectra Analysis File
RCJ Robocopy Robocopy (Microsoft)
RCL Easy CD Creator Layout File (Sonic Solutions)
RCL Checklist Repetitive Checklist (Checklist répétitive) (Francis Gagné)
RCM Logos Library System 2.x Verse Map
RCM Polarmap Calculator Configuration
RCM Technics Keyboard Rhythm Custom File
RCO Playstation Sub-Menu Graphics and Localized Resources (Sony Corporation of America)
RCP Rich Chart Builder Project (Blue Pacific Software)
RCP Recomposer MIDI Sequencer Music File
RCPROJECT iMovie Project File (Apple Inc.)
RCS SaralTDS eTDS Software Annual Report (Relyon Softech Ltd.)
RCS RAD Developer Color Scheme
RCS RCSWin Job File (RCS Corporation)
RCS Colin McRae Rally Save Game File
RCT Developer Studio Resource Template (Microsoft Corporation)
RCT AOL Tool File (America Online, Inc.)
RCV Resource Compiler; Resource Script
RCX Lego Mindstorms Robotics Invention System (The LEGO Group)
RCY ReCycled Audio Loop
RC_ Winhelp Compressed File
RD MDL Molfile Reaction File (MDL Information Systems, Inc.)
RD Philips Raw Data
RD Captivate Project File (Macromedia, Inc.)
RD1 Descent1 Registered Level File
RD1 Retirement Document System Data File (DATAIR Employee Benefit Systems, Inc.)
RD2 Race Driver Version 2 Saved Game File (Codemasters Software Company Limited)
RD2 Retirement Document System Custom Text File (DATAIR Employee Benefit Systems, Inc.)
RD3 Ray Dream Designer Graphics
RD3 CorelDream 3D
RD4 Ray Dream Designer Graphics
RD5 Ray Dream Designer Graphics
RDA Oracle Storage Area File
RDA Ready Ace Accounting Database (Codice srl)
RDATA R Saved Workspace (WU Wien)
RDB ZoneAlarm Mailsafe Rules Database (Zone Labs)
RDB Netscape Communicator Aim File
RDB Oracle Database Root File
RDB Darkbot Random Database File (Darkbot - The talking IRC bot)
RDB Gear CD Suite File
RDB TrueVector Rules Database
RDB Wavelet Image Recording
RDB Value Navigator Database (Energy Navigator)
RDB Redis Database File
RDC IBM Voice Type Language Scripts Data File
RDD ReliaSoft ALTA 6 & Weibull++ 6
RDEF Geoworks UI Resource File
RDF Burli Newsroom System File
RDF Relux Professional (Relux Informatik AG)
RDF Yaesu Radio Memory File (Vertex Standard Inc.)
RDF Resource Description Framework RSS Feed (Ver. 0.9 and 1.0) (World Wide Web Consortium)
RDF Geoworks UI Compiler Source Code
RDF Chromeleon Report Definition
RDF Mozilla (Netscape) Settings File (Resource Description Framework) (Mozilla)
RDF Oracle Report Binary Source
RDF ProWORX Nxt Cross-reference Data (Schneider Electric)
RDF Rate Description File
RDF Workshare Synergy Collaboration Response File
RDF ICRA Site Label File (Internet Content Rating Association (ICRA))
RDI Device-Independent Bitmap
RDI SPEFO Stellar Spectra Analysis File
RDIALOG Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RDJ JCanyon: Grand Canyon for Java DEM File in JPEG Format
RDL SQL Server Reporting Services Report Definition Language (Microsoft Corporation)
RDL Symbian Recogniser Library
RDL RadioDestiny Radio Stream
RDL Paradox
RDL Descent Registered Level
RDM Ragdoll Masters Preference File (Ragdoll Soft)
RDO Oracle Redo Log File
RDO Xerox Document Assembler Metafile
RDP Remote Desktop Connection (Microsoft Corporation)
RDPROJ Report Direct Project File (MRDC Ltd)
RDS ERMIS Radio Data System
RDS Ray Dream Studio Native Data Format (Eovia Corporation)
RDT RDT Tracking File
RDV NTgraph Borland C 32 File
RDW Real-DRAW Project (MediaChance.com)
RDX Reflex Data File (Borland Software Corporation)
RDY Ready Pro Accounting Database (Codice srl)
RDZ Mandrake Linux Install File
RDZ RemoteDocs File
RE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REA Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REA Doc Free Geocom File
READ Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
READM Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
README Documentation File
README Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
README1ST Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
READS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REALDOWNLOAD RealDownload Paused Download (Real.com)
REC RapidComm Voice File
REC ProMash Recipe (Sausalito Brewing Co.)
REC Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REC Sprint Record File
REC Windows Recorder Macro
REC EpiData Data File (EpiData Association)
REC Easy CD Creator Recovery File (Sonic Solutions)
REC ARCserve Archivation Protocol (Computer Associates International, Inc.)
REC EpiInfo Data
REC Payroll Mate 2008 Bank Reconciliation Data (RealTaxTools.com)
REC Medlin Accounting Bank Reconciliation Data (Medlin Accounting)
RECEIVE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RECON Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RECORDS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RED XRK - eXtra Redcode Kit Disassembled RedCode Warrior (Marco Pontello)
RED Red Faction Level File (THQ Inc.)
RED Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RED View Redline (Autodesk, Inc.)
RED Masterpoint Red Points File (ABF Masterpoint Centre)
RED Boris Red Project File (Boris FX)
RED Rational Rose Module Diagram (IBM)
RED Calrion Modula-2 Path Data
RED-DWARF Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REDSECTOR Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REDUCTION Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REF Train Simulator Object Reference File (Microsoft Corporation)
REF Pro/ENGINEER Temporary File (PTC)
REF ReferBib Document
REF Atari ST Guide Ref Links
REF Cross Reference
REF Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REF Reference
REF Ad-Aware Signature File (Lavasoft)
REFER ReferBib Document
REFERENCE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REG Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REG Registry Data File (Microsoft Corporation)
REG Mozilla (Netscape) XPCOM Registry (Mozilla.org)
REG Registration Data
REGENT Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REGET ReGet Deluxe Downloader
REGISTER Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REGULAR Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REID Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
rej UNIX Rejected Patches
REJ Energo Registration (Rejestracja) (ZUI TechSoft)
REKO REKO Cardset (REKO Games)
REL Knowledge Explorer Knowledge Representation Relation
REL Nokia Phone Audio File (Nokia)
REL Norton Internet Security 2001 Log File (Symantec Corporation)
REL Retrieve 4GL Dataset File (Sage Enterprice Solutions)
REL PDP-10 Relocatable Object File (Input to LINK-10 or LOADER)
REL Wii Relocatable Module (Nintendo)
REL ACT! Alarm Data File (Best Software CRM Division)
RELEASE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RELEASENS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REM Blackberry Desktop Manager / Blackberry devices Blackberry Desktop Manager / Blackberry devices (RIM)
REM Delphi Memory Swap File (Borland)
REM ACT! Database Maintenance File (Best Software CRM Division)
REM Annotation
REMI Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REMINDER Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REMINDERS Remind Reminder Script (Roaring Penguin Software Inc.)
REMIX Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REMOVE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REN Renai Tsumyu Resshon Tsukuru 2 (Love Lesson Maker 2) (Enterpbrain)
REN Possibly a Renamed File
REO Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REP Business Objects Report (Business Objects SA)
REP Sphinx Responses (Le Sphinx Développement)
REP Complete Works Report (Toplevel Computing)
REP Organizer Report (IBM)
REP ACT! Report Template (Best Software CRM Division)
REP Text Document
REP Report File
REP QWK Reader Reply
REP Blizzard Game Replay File (Blizzard Entertainment)
REP Grand Theft Auto San Andreas Replay (Rockstar Games)
REPAIRS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REPL Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REPORT Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REPORTING Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REPORTS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REPT Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REPX XtraReports Report Definition File (Developer Express Inc.)
REQ Request
REQU Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REQUEST Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REQUEST1 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REQUEST2 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RES Championship Bass Archive
RES XBoard Resign Conferences File
RES Evil Islands Archive
RES Half Life Game Map
RES Infinity Game Engine Character Biography (BioWare Corp.)
RES Resource File
RES C and C++ Compiled Resource (Microsoft Corporation)
RES Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RES C++ Compiled Resource (Borland Software Corporation)
RES Stuttgart Neural Network Simulator Result
RES FlyFF Resource File (Aeonsoft, Inc.)
RES11 MIKE 11 Result File (DHI Water & Environment)
RESCUE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RESID NML Language Compilation Residual File (NevoSoft)
RESIDENT2 Resident Evil 2 Saved Game (Capcom)
RESONANCEII Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RESOURCE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RESOURCES Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RESOURCESCONFIG Visual Studio .NET Resources Configuration (Microsoft Corporation)
RESPECT Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RESTORE ISE WebPACK Project Restore File (Xilinx, Inc.)
RESX Payroll Mate 2008 (RealTaxTools.com)
RESX NET XML Resource Template (Microsoft Corporation)
RET Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RET RETScreen Project File (RETScreen International)
RET Basic Realizer Careal Caret Samples
RETRNTOOLS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RETURNTOOLS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REUNION Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REV Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REV Revolution MetaCard Stack (Runtime Revolution Ltd)
REV WinRAR Recovery Volume File
REV Geoworks Revision File
REV FrameMaker Document (Adobe Systems Incorporated)
REV Workshare Synergy File
REV1 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REV5 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REVALVER ReValver Preset
REVE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REVENGE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REVHIST Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REVIEW Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REVISION Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REWARD Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REX PharLab Executable File
REX Oracle Report Definition
REX 4th Dimension Database Windows Client Local File (4D, Inc.)
REX ACT! (Best Software CRM Division)
REX REXX Script (IBM)
REX ReCycled Audio Loop Export File
REXX REXX Script (IBM)
REZ Purge
REZ Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REZ Escape Velocity Nova Plug-in (Ambrosia Software, Inc.)
REZ Shogo Archive
REZ Resume Divider (Luna)
REZ No One Lives for Ever Archive
REZ Blood 2 Archive
REZ Alien vs Predator 2 Game
REZ Sanity: Aiken's Artifact Archive
REZ LithTech Game Resource File (Touchdown Entertainment, Inc.)
REZCODE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REZEQUS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
REZREF Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RF FrameMaker Document (Adobe Systems Incorporated)
RF Sun Raster Graphic
RF RealFlash Clip
RF? SmartWare Compiled Project File
RFA Battlefield 1942 Unit/Object Texture Archive (Electronic Arts, Inc.)
RFA Battlefield 1942 (DEMO)
RFB RoboForm (Siber Systems Inc.)
RFD Emperor: Battle for Dune Archive
RFD Recogniform Desktop Reader Form Definition (Recogniform Technologies SpA)
RFF Maggi Graphic File
RFG RFG Integrator System Database
RFH RFG Integrator Householding Database
RFH Maxagrid CTM Refresh File
RFI SPEFO Stellar Spectra Analysis File
RFL RISAFloor Analysis & Design
RFL Reason Sound Bank (Propellerhead Software)
RFL Guardian Database Roll-forward File
RFL ANSYS
RFM Rich Music Format
RFN RoboForm Saved Data (Siber Systems Inc.)
RFO RoboForm Cached Data (Siber Systems Inc.)
RFORK Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RFP AI RoboForm Passcard Database
RFP RoboForm Saved Data (Siber Systems Inc.)
RFR Photoshop Frame Filter File (Adobe Systems Incorporated)
RFT Revit Template (Autodesk, Inc.)
RFT AI RoboForm Form Database
RFT IBM DisplayWrite Revisable Format Text
RFX RoboForm Saved Data (Siber Systems Inc.)
RFX TouchStar License File
RFX Modula M2SDS File
RG Bitmap Graphic
RG Rosegarden Music File
RGB Ribbons SGI Image
RGB VideoCraft GIF
RGB Q0 Graphic
RGB Intermediate Format Graphic
RGB Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RGB Silicon Graphics RGB Bitmap (Silicon Graphics, Inc.)
RGB Intergraph Raster Graphic (Intergraph Corporation)
RGBA Silicon Graphics RGB
RGD Rosegarden MIDI Device Definition File
RGE R.A.G.E. Driver
RGE Inno Setup Registry Entries File
RGF regify Encrypted Message (regify AG)
RGF Advanced Registry Tracer Scan Data (ElcomSoft Co.Ltd.)
RGH ZZ Rough Image
RGI RealArcade Game Installer
RGL Scarlett Expert System Compiler Rules File
RGLR Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RGN Garmin Region File (Garmin Ltd.)
RGN Championship Manager Game File
RGO RepliGo Virtual Print File (Cerience Corporation)
RGP RealArcade Game Package (RealNetworks Inc.)
RGP Rosegarden Project
RGS InstallShield Script for Windows Registry (Acresso Software Inc.)
RGS RealArcade Secured Game Installer (RealNetworks Inc.)
RGU Data Recovery Software (Kroll Ontrack Inc.)
RGX ReaGeniX Code Generator Symbol Table
RGZ Ragnarok EXE and BGM Patch Archive (Gravity Co., Ltd.)
RH Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RH C++ Resource Header File (Borland Software Corporation)
RH Deep Exploration Repository File (Right Hemisphere)
RHC ClipX RLIB RHELP Source File
RHL RatHole Archive (Edge Sounds)
RHP Rhino 3D Plug-in File (Robert McNeel & Associates)
RHTML Ruby on Rails Script (Ruby on Rails Project)
RI 1-2-3 (IBM)
RIA Alpharel Group IV Raster Graphics
RIB 3D Reality Renderman Format Graphics
RIC Ricoh FAX Graphic File
RICHMEDIA Norton Guides File
RICOCHETLW Ricochet Lost Worlds Round (Reflexive Entertainment)
RICONS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RID GerbMagic Raster Image Data (BronzWare, Inc.)
RIDDLES Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RIDDLES2F Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RIDE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RIDE2 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RIDEOFVALKY Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RIDGE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RIF Raster Image File Format
RIF Rockwell ADPCM Audio
RIF Recource Interchange File Format Bitmap Image
RIF FutuRUG Encrypted Resident Information File (Two Brothers Software)
RIF Fractal Painter Bitmap
RIFF Raster Image File Format
RIFF Recource Interchange File Format Bitmap Image
RIFF Audio File
RIFL Business Integrator Real-Time Integration Flow Language Script (Pervasive Software Inc.)
RIG LightWave 3D RIG Function File (NewTek)
RIGHT Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RII Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RIN RappInfo PostScript Converter Configuration File
RIN Retrieve 4GL Database Index (Sage Enterprice Solutions)
RING Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RIP Hit'n'Mix Hit'n'Mix (Hit'n'Mix)
RIP Telegrafx Remote Imaging Protocol
RIP Quincy Program Crash Report
RIP Lotus Notes Error File (IBM)
RIP RIPcoder Encrypted File (Ruzaev Sergei)
RIP Remote Imaging Protocol
RIR Spaceward Satori Family Native
RIS HDF Zlib File
RIS Reference Manager RIS Format (The Thomson Corporation)
RIS Bibliographic Reference File
RISCOS Riscos Make File
RIT Velrita Document File
RIV CRiSP Harvest File
RIX ColorRIX VGA Paint Bitmap (RIX SoftWorks Inc.)
RIX RIX Virtual Screen
RJS RealJukebox Skin (RealNetworks, Inc.)
RK WinRK Archive (M Software)
RKA RK Archiver / RKAU Audio (M Software)
RKP RemoteKeys Profile (The OATS Project Consortium)
RKP RKP Game Package (v1.x)
RKP REKO PC Cardset (REKO Games)
RKT RockSim Rocket Design File (Apogee Rockets)
RKV RKIVE Compressed Archive
RKW RockWorks Graphic (RockWare, Inc.)
RL FLEXnet Manager Report Log (Acresso Software Inc.)
RL The 7th Guest Archive
RL$ Basic Realizer Disk1 File
RL1 Descent1 Registered Level File
RL2 Descent2 Registered Level
RL4 Bitmap Graphic
RL8 Bitmap Graphic
RLA Advanced Visualizer File
RLA Wavefront Raster Image
RLB Harvard Graphics (Harvard Graphics)
RLB Wavefront Bitmap (Alias)
RLB Insight II Residue Library (Accelrys Software Inc.)
RLC LoopCAD Project (Avenir Software Inc.)
RLC Scanner One-bit/pixel Grahpic Output
RLC Run Length RLC Bitmap
RLC Image Systems CAD Overlay
RLC ArcView Image File (ESRI)
RLD Norton Commander 5.0 Temporary File
RLE Utah Raster Toolkit Bitmap Image
RLE ADEX Corporation ChromaGraph Graphics Card Bitmap Graphic
RLE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RLE Run Length Encoded Bitmap
RLE Golly Data File
RLELZW Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RLF ArtCAM Pro Relief File (Delcam plc)
RLG ReliaSoft ALTA 6 & Weibull++ 6
RLG Regcleaner Language File
RLI RVS-COM Least-cost-routing Tariff Database (Living Byte Software GmbH)
RLL IP-EPS
RLL Basic Realizer Careal File
RLL SQL Server Resource Library (Microsoft Corporation)
RLO Basic Realizer Careal Library File
RLS RadLight Skin (RadLight)
RLT ReliaSoft BlockSim & Weibull++ 6
RLV Basic Realizer Careal Clipart
RLW ReliaSoft ALTA 6 & BlockSim & Weibull++ 6
RLZ Realizer Source Code
RM RealMedia Streaming Media (RealNetworks, Inc.)
RMB SafeGuard RemovableMedia Keyring Backup File (Utimaco Safeware AG)
RMC RMCalc
RMD IMail Server Mail Message (Ipswitch, Inc.)
RMD RateMyDrawings Saved Drawing Data (RateMyDrawings.com)
RMD Report Miner Definition (Retsel Group)
RMD Reference Manager Database (The Thomson Corporation)
RMD RegMaid Document (Microsoft Corporation)
RMD OaapPro Auditing Database File (Resource Management Services, Inc.)
RME SB_AWE Keys File
RME Final Fantasy Sound (Square Enix Co., Ltd)
RMF Rich Map Format
RMF Beatnik Rich Music Format (Beatnik)
RMF Acrobat Rights Management Document (Adobe Systems Incorporated)
RMG Temporary File
RMG RootsMagic Genealogy File (RootsMagic, Inc.)
RMG ANSYS
RMGC RootsMagic RootsMagic (RootsMagic Inc)
RMH GigaTrust RM-protected File (GigaMedia Access Corporation)
RMH Rights-managed HTML File (Microsoft Corporation)
RMI MIDI File
RMID RMID Ringtone
RMIX Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RMJ RealAudio Media (RealNetworks, Inc.)
RMK Clipper RMake Make File
RML Redline Markup Language File
RMM RealMedia Metafile (RealNetworks, Inc.)
RMO Selectica RateBuilder
RMP RIFF MP3 Audio File
RMP Open Workbench Project File (Sponsored by CA's Clarity Division (formerly Niku))
RMP RealJukebox Track Info Package (RealNetworks, Inc.)
RMR Resume Maker File
RMS RealMedia Secure Media File (Real Networks, Inc.)
RMS AutoCAD Data File for Boss RMS
RMS Rise of Nations Random File (Microsoft Corporation)
RMS Dynamite VSP Road Marking Style (3am Solutions (UK) Limited)
RMSKIN Rainmeter Rainmeter (Rainmeter)
RMT CONSEL Input File (Dept. of Mathematical and Computing Sciences Tokyo Institute of Technology)
RMVB RealVideo Variable Bit Rate File (RealNetworks, Inc.)
RMW Final Fantasy Sound (Square Enix Co., Ltd)
RMX Reference Manager Database Indes (The Thomson Corporation)
RMX RealMedia Secure Media Clip (RealNetworks, Inc.)
RN Nota Bene XPL Program
RNAM Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RND AutoCAD Autoshade Rendering Slide (Autodesk, Inc.)
RND Pretty Good Privacy (PGP) Random Seed (PGP Corporation)
RND PDP-10 RUNOFF Input (Created DOC)
RNG Random Number Generator Data File (Psytek Ltd.)
RNG RELAX NG (OASIS RELAX NG TC)
RNG Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RNG Top Secret Crypto Gold RSA Key Ring File (TAN$TAAFL Software Company)
RNG Nokia Phone Ringtone File (Nokia)
RNK Dial-up Shortcut
RNL GTX Runlength Raster Graphics
RNO PDP-10 RUNOFF Input (Creates MEM)
RNO VAX Runoff File
RNS Renoise Professional Music Tracker
RNS Reason Audio File (Propellerhead Software)
RNT EdgeCAM Licensing Data Ffile (Pathtrace Engineering Systems)
RNW Sweave Source File (Friedrich Leisch)
RNX RealPlayer File (RealNetworks)
ROADS ROADS++ Documnet
ROAH Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
ROB Real Player (RealNetworks, Inc.)
ROB Microsoft Art Gallery File
ROB MPC-Solution Machine definition file (iAR GmbH)
ROC SpaceCAD Rocket Design (SpaceCAD.com)
ROCK Rockbox Executable Application (The Rockbox Crew)
ROCK Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
ROD e.Report Designer Report Object Design (Actuate Corporation)
ROF ReliaSoft RG
ROFF Roff/nroff/troff/groff Unformatted Manual Page (UNIX)
ROI Shark Sales System Data File (Shark Finesse Ltd)
ROI e.Report Designer Report Object Instance (Actuate Corporation)
ROIDZ Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
ROL e.Report Designer Report Object Library (Actuate Corporation)
ROL AdLib Visual Composer Music File
ROM Nintento 64 Emulation ROM Image
ROM MZ700 Emulator
ROM Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
ROM MSX/MSX2 ROM Image
ROM Read Only Memory Image
ROND Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
ROOT ROOT Data File (Rene Brun & Fons Rademakers)
ROOT Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
ROP Actuate Parameter Template (Actuate Corporation)
ROQ Medal of Honor - Allied Assualt
ROQ Id Software RoQ Movie (id Software)
ROS Actuate Search Definition (Actuate Corporation)
ROS Dynamite VSP Rail Object Style (3am Solutions (UK) Limited)
ROS Notes 5 Full Text Index (IBM)
ROT Rotater 3D Image
ROT Homeworld Relic's Graphics Format (Sierra Entertainment, Inc.)
ROT Home World 2 ROT Graphics (Sierra Entertainment, Inc.)
ROTATE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
ROU English Lake District Walker Calculator Route File
ROU MapSource Route Information (Garmin Ltd.)
ROUT Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
ROUT2 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
ROUTINE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
ROUTINES Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
ROV e.Report Designer Report Object Value (Actuate Corporation)
ROV Rescue Rover Data
ROVER Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
ROW RowPro Rowfile (Digital Rowing Inc.)
ROX e.Report Designer Report Object Executable (Actuate Corporation)
ROY TrueType
ROZ aSc TimeTables Timetable File (aSc -- Applied Software Consultants s r.o.)
RP Rainbow Painter
RP RealPix Clip (Real Networks, Inc.)
RP0 RescuePro Physician Invoice File
RP1 RescuePro Physician Invoice File
RP1 Database Text; R&R Report File
RP2 RescuePro Physician Invoice File
RP2 RetroPlatform Player Archive
RP3 Need for Speed Car Race File
RP3 RescuePro Physician Invoice File
RP4 RescuePro Physician Invoice File
RP4 Reliance 4 Project File (GEOVAP, spol. s r.o.)
RP5 R&R Report Writer Report Library (LiveWare Publishing)
RP5 RescuePro Physician Invoice File
RP6 RescuePro Physician Invoice File
RP7 RescuePro Physician Invoice File
RP8 RescuePro Physician Invoice File
RP9 RetroPlatform Player Archive File (Cloanto)
RP9 RescuePro Physician Invoice File
RPA iTWO (RIB Software)
RPA Ren'py Image Archive (American Bishoujo)
RPA Rebel Strip Poker Supplementary Video/audio File (Rebel Software)
RPB Automotive Diagnostic
RPB CP Backup Report
RPB RowPro Database Backup (Digital Rowing Inc.)
RPB Radmin (Remote Administrator) Phonebook (Famatech, LLC.)
RPBM Portable Image
RPC Rich Photorealistic Content (ArchVision, Inc.)
RPC Rifts Character Generator Character File (5th Gear Productionz)
RPC Crystal Reports (Microsoft Corporation)
RPC RAR Password Cracker Project (dnSoft Research Group)
RPC 3WayPack (The Three-Mode Company)
RPCP Reason Resource Package (Propellerhead Software)
RPD iTWO (RIB Software)
RPD RosaPro File
RPD Rapidfile Database
RPD RPV Printing System File
RPF Raven Check Convertor Payment File (DeepCove Labs)
RPF ProWORX Nxt Cross-reference Pointer (Schneider Electric)
RPF Grand Theft Auto IV RAGE Engine Package File (Rockstar Games)
RPF AutoCAD Raster-pattern Fill Definition (Autodesk, Inc.)
RPG O.H.R.RPG.C.E Role-Playing Game (Hamster Republic Publications)
RPG RPG Toolkit Game Code (Phil Carty)
RPGM Portable Greyscale
RPIN InDesign Import/Export Filter (Adobe Systems Incorporated)
RPJ Relex
RPK NeverForget Backup Reminder File (National Creative Registry, Inc.)
RPK RadLight Skin
RPK Rippack File
RPL Escape Replay (Compressed Video) File (Eidos)
RPL Crystal Reports for Visual dBASE Label File
RPL ARMovie Video
RPL Reply Message
RPL Replica Text File
RPL Toribash Replay Game File (Nabi Studios Pte Ltd)
RPL Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RPL Systems Management Server (SMS) Replication File With No Transaction Processing (Microsoft Corporation)
RPLN InDesign Required Funcation Library (Adobe Systems Incorporated)
RPM RunPaint Multicolor Graphic
RPM RealMedia Player Plug-in (RealNetworks)
RPM RedHat Package Manager
RPM LINUX Package
RPMS Source Package Manager File (Red Hat, Inc.)
RPNM Portable Image
RPPM Portable Image
RPR IBM Voice Type Language Vocabels File
RPR RapidBuilder Simulation (XStream Software)
RPR AppSight Console Recording Profile (Identify Software Ltd.)
RPS V-Ray Render Preset (Chaos Group)
RPS Borland Translation Repository (Borland Software Corporation)
RPS Reason Song (Propellerhead Software)
RPT Sierra Mastercook Cookbook File
RPT TrueNet Print Template File (R-Quest Technologies, LLC)
RPT TeamQuest View Report Syntax (TeamQuest Corporation)
RPT Crystal Reports Output File (Report) (Crystal Decisions)
RPT MicroSim PCBoard Reports Reflecting Autorouting Progress and Statistics
RPT Report
RPT Systems Management Server (SMS) Replication File With Transaction Processing (Microsoft Corporation)
RPT Visual Basic Crystal Reports File (Microsoft Corporation)
RPTDESIGN BIRT Report Design (Actuate Corporation)
RPTDOCUMENT BIRT Report Document (Actuate Corporation)
RPTLIBRARY BIRT Report Design Library (Actuate Corporation)
RPTR SAP Crystal Reports SAP Crystal Reports (SAP)
RPTTEMPLATE BIRT Report Design Template (Actuate Corporation)
RPV Real Player Visualization File
RPV Listlabl File
RPV RPV Printing System File
RPV Rebel Strip Poker Main Oopponent Video File (Rebel Software)
RPW RPWiz Project
RPX Electronic Storage Corporation Laser Vault Index
RPX Repute Tutorial File
RPX Oracle Visual Information Retrieval Raw Pixel Format File
RPY Grand Prix Legends Racing Simulation Game File
RPY Twisted Web Web Resource (Twisted Matrix Laboratories)
RPY Ren'py Game Script File (American Bishoujo)
RPY Star Wars - Tie Fighter Media
RPYC Ren'py Pre-compiled Game Script File (American Bishoujo)
RPZ Crystal Reports Encrypted and Zipped Report File (Crystal Decisions)
RQF R-Quest Duplication Systems Firmware Update File (R-Quest Technologies, LLC)
RQI TrueNet R-Quest Disc Image File (R-Quest Technologies, LLC)
RQS Rational RequisitePro Project (IBM)
RQY Excel OLE DB Query File (Microsoft Corporation)
RR Railroad Tycoon (PopTop Software Inc.)
RRA Windows Installer Temporary Data (Microsoft Corporation)
RRB RoboRally Board Editor Board File (Norbert Langernamm)
RRD ERDAS IMAGINE (Leica Geosystems , LLC)
RRD RRDtool Round-Robin Database (OETIKER+PARTNER AG)
RRD RapidReader Document (SoftOlogy IdeaWorks, LLC)
RRF Musicmatch Jukebox File
RRF Registry Engineer Registry Backup (ArcaneWooD software)
RRF Raytech Navigator (Raymarine)
RRGT REALrunner Lite Graphics Theme (Gryphonclaw Software)
RRI SPEFO Stellar Spectra Analysis File
RRP Running Time Logger Profile File (Hizx Productions Software)
RRR Rhapzodé Resource Repository (altaVENTE)
RRS Road Rash Save File
RRSE REALrunner Lite Sound Effect (Gryphonclaw Software)
RRT Rhapzodé Resource Template (altaVENTE)
RS QuickZip RS Compressed Archive
RS Amiga Reassembler Resource Data (Amiga)
RS EROSION 3D Event File
RS dnaLIMS Reaction Sheet (dnaTools)
RS RapidSketch Sketch Document (Utilant, LLC)
RS Sun Raster Graphic
RS1 RETScreen System File (RETScreen International)
RS6000 RS 6000 Make File
RSA PKCS7 Signature, MD5 + RSA
RSAKEY Top Secret Crypto Gold RSA Key File (TAN$TAAFL Software Company)
RSB Rainbow Six: Rogue Spear Bitmap (Red Storm Entertainment, Inc.)
RSB ReliaSoft BlockSim
RSB Red Storm Image Format
RSC Carnivores / Ice Age Map Areas (Action Forms, Ltd.)
RSC NASCAR Racing 2002 Paint Shop Controller File (Sierra)
RSC MicroStation Symbology Resources (Bentley Systems, Incorporated)
RSC Pegasus Mail Resource File (David Harris)
RSC Resource File
RSC SymbianOS Application Resource File (Symbian Software Ltd)
RSC Maptitude GISDK Compiled Resource (Caliper Corporation)
RSC Compiled Resource
RSD Roland Visual MT File
RSD Resort Software Database (Resort Software Pty. Ltd.)
RSD Scanner Recognita file
RSF NEi Nastran Results Summary File (Noran Engineering, Inc.)
RSF Mediafour MacDrive Macintosh Resource Fork
RSF ReliaSoft BlockSim
RSF Reflection Setting File (WRQ)
RSG Drakan: Order Of The Flame Saved Game (Surreal Software, Inc.)
RSG EPOC Compiled Resource Header
RSH Warhammer 40,000 Texture (THQ Inc.)
RSH 3DReshaper Project (TECHNODIGIT - a Department of The MBPS-AIRINDEX Group)
RSK RiskMan Risk Project
RSL Paradox Version 7 Report (Borland Software Corporation)
RSL ReliaSoft ALTA 6
RSL PC Tools Resources Library
RSL Robot Scripting Language
RSL Paradox
RSL PageMaker (Adobe Systems Incorporated)
RSM RuneSword II Game
RSM Resume
RSM ReliaSoft MPC 3
RSM WinWay Deluxe Resume File
RSML Real Player File
RSOUND Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RSP Rational Project Project (IBM)
RSP Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RSP Responce Text File
RSP ReadSay Phrase Library (ReadSay Literacy Consulting)
RSP Rapport Rapport Script File (Wyse Technology)
RSP Universal Installer Response File (Oracle)
RSP Workshare Synergy Response File
RSP Rockwell Software Logix 5 File
RSP ReliaSoft BlockSim
RSP ODBC Driver Configuration File (Microsoft Corporation)
RSP MDaemon File
RSP Linker Response File
RSR 4th Dimension Database Resource Fork (4D, Inc.)
RSRC Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RSRC Mac OS Resource File
RSRC Xcode Compiled Rez Program (Apple Inc.)
RSRT Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RSS ReliaSoft BlockSim
RSS PlanMan Image (Invarion Pty Ltd)
RSS RSS File
RSS Rockwell Logix 500 SLC-5 Software (Rockwell Automation, Inc.)
RSS EPOC Resource Source File
RST VGA Planets Game File (Tim Wisseman)
RST SaralTDS eTDS Software Quarterly Report (Relyon Softech Ltd.)
RST ReliaSoft BlockSim
RST AVG System Restore Files (AVG Technologies)
RST LochMaster Strip Board (ABACOM Ingenieurbüro)
RST IBM Voice Type Language Scripts Data File
RST Report Sharp-Shooter Report Template (Perpetuum Software)
RST ANSYS Results
RSTRNT Insight II Distance, Torsion, Chiral, and NOE Volume Restraints (Accelrys Software Inc.)
RSW ReliaSoft BlockSim
RSY FLEXIT Multishot Survey Raw Data File (Flexit AB)
RS_ Macintosh File Resource Fork
RS_ ArcView Image File (ESRI)
RT RealText (Real Networks, Inc.)
RT Rich Text
RT$ NTgraph Visual C Wizzard File
RTA IBM Voice Type Language Vocabels File
RTA RoboHelp Configuration
RTAB RandyTab Guitar Tablature
RTB Rhino 3D Toolbar Collection File (post-Sept 2003) (Robert McNeel & Associates)
RTC Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RTC Rescue Me File
RTD RagTime Document (RagTime GmbH)
RTD ROBOT Structure File (RoboBAT)
RTD Retina Network Security Scanner Output File (eEye Digital Security)
RTE Microsoft Exchange Server WinRoute Routing Table Dump (Microsoft Corporation)
RTE RTEncoder RTE Encoded File (RTEncoder)
RTE MicroSim PCBoard Routes Established By a Successfully Completed Autorouting Run
RTE Fugawi Global Navigator Route (Northport Systems Inc.)
RTF Rich Text Format File
RTFD NeXT RTF-Packet Rich Text File with Attachments (Apple Inc.)
RTFENX egis Encrypted RTF File (HiTRUST Inc.)
RTH Astrotite 200X Astrotite 200X Offline Data repair File (Fantiusen Software)
RTH ANSYS Results
RTK RoboHelp Configuration
RTL Text File
RTL HP Color Printer Raster Transfer Language (Hewlett-Packard Development Company, L.P.)
RTL Borland Runtime Library (Borland Software Corporation)
RTL Norton Utilities 7.0 Runtime Library
RTLIST Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RTM Real Tracker Module/Song
RTM ReliaSoft RG
RTMDL Rational Rose RealTime Model (IBM)
RTP Gerber Sign-making Software File
RTP Patch File (Microsoft Corporation)
RTP RTPatch Update Package
RTP TurboTax Update File (Intuit)
RTPI 3rdTech Scanner File
RTPL Nokia Phone Ring Tone (Nokia)
RTR IBM Voice Type Language Vocabels File
RTR Astrotite 200X Astrotite 200X Offline Data repair File (Fantiusen Software)
RTS Resource Tuner Console Script (Heaventools Software)
RTS QuickTime Real-Time Streaming Protocol File (Apple Inc.)
RTS Royal TS Royal TS (code4ward)
RTS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RTS Realizer Runtime Library
RTS RoboHelp Configuration
RTS RIT Multilingual Transliteration Scheme
RTS RealAudio RTSL Document
RTSP QuickTime Real-Time Streaming Protocol File (Apple Inc.)
RTT RagTime Stationery Pad (RagTime GmbH)
RTTTL Ring Tones Text Transfer Language File
RTV NewTek Products Uncompressed Video (NewTek)
RTWKS Rational Rose RealTime Model (IBM)
RTX Rich Text Document
RTX Reliacast Audience Manager Turnstile
RTX Mobile Phone Ringtone
RT_ Winhelp Compressed File
RU Javasoft JRE 1.3 Library File
RUBY Ruby Software File (Ruby Software)
RUF ProWORX Nxt Address Used Tables Reference (Schneider Electric)
RUI SPEFO Stellar Spectra Analysis File
RUJ Oracle Recovery-Unit Journal
RUL Expert System Rule
RUL TurboTax Rule File (Intuit)
RUL Echo-conference Rules
RUL InstallShield Rules File (Acresso Software Inc.)
RUL SpamAI Spam Rule Repository (DAIR Computer Systems)
RULER Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
rules UNIX Rules File
RUMMY Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RUN Runscanner Automatic Startup Information File (Runscanner)
RUN UNIX Shell Installer Script
RUN PC Tools Script Tools Program
RUN Rune Map (Human Head Studios)
RUN ISAPI Loader Current ISAPI Application (EGGcentric)
RUN Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RUN AMOS Executable File (Alpha Micro)
RUN Softworks Basic Compiled Pseudo Code (Softworks Limited)
RUNNER Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RUNQ Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RUS Russian Text
RUS Navitel Navigator Ver 1.1 Map (GPS Moldova)
RUSH Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RUSHERS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RV SPEFO Stellar Spectra Analysis File
RV RealVideo Clip (Real Networks, Inc.)
RV4 1040 Review Taxpayer Data File (HC Sharp Software, Inc.)
RVB Rhino 3D Visucal Basic Script File (Robert McNeel & Associates)
RVC TNTmips Windows Version Project File (MicroImages, Inc.)
RVD VPHybridCAD softelec Format File (softelec GmbH)
RVE Resolve-It Data File (Ampersand Design)
RVF TNTmips DOS Version Project File (MicroImages, Inc.)
RVG Revit External Group File
RVI Revenant Archive
RVL muvee Project (muvee Technologies Pte. Ltd.)
RVM Revenant Archive
RVML Rich Vector Markup Language (Kinesis Software Ltd.)
RVN Riven Saved Game
RVP C|Net CatchUp File
RVP Scan Configuration File (Microsoft Corporation)
RVR SPEFO Stellar Spectra Analysis File
RVS RasterVect Combined Raster and Vector Graphic File (RasterVect Software)
RVS Revenant Archive
RVT VersaPro Reference View Table
RVT Revit Design Setup File
RVT Incite Media Assistant File
RVT IEX Workforce Management Report
RVT Apache Rivet Tcl File
RVW Review
RVX Reflection Web Launch (WRQ)
RVX RealVideo Streaming File (Protected) (Real Networks, Inc.)
RW Boso View Express Railway Definition File (Mackoy)
RW Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RW3 RapidWeaver Site Design File (Realmac Software Limited)
RW5 Tripod Data Systmes Survey Pro Data File
RW6 ReliaSoft Weibull++ 6
RWA ReliaSoft Weibull++ 6
RWD Symphonie Raw Wind Data
RWF ReFrame Workspace (HingePoint, Inc.)
RWG Random Word Generator
RWMT ReliaSoft Weibull++ 6 MT
RWP MENSI Realworks Survey
RWP IBM Configurator Report
RWS C++ Resource Workshop Symbol File (Borland Software Corporation)
RWS MENSI Realworks Survey
RWS REDIPlus Workspace (REDIProducts)
RWSD RWSD Audio Stream
RWT HyperRESEARCH Plug-in Tool (ResearchWare, Inc.)
RWTL HyperRESEARCH HyperRESEARCH (Researchware)
RWX RenderWare Script
RWX Netscape Live 3D
RWX MEME Shape File
RWZ Outlook Rules Wizard File (Microsoft Corporation)
RX DOS 7 File
RX E3 Security Kit Prescription File (radsoft.net)
RX Reflex Database Driver (Borland Software Corporation)
RX EARS Component File
RX2 ReCycle! Format Audio Loop (Propellerhead Software)
RXC Reflection X Client File (WRQ)
RXC Easy CD Creator Drag to Disk File (Sonic Solutions)
RXD Reflex Database (Borland Software Corporation)
RXE Lego Mindstorms Robotics Invention System Executable File (The LEGO Group)
RXF Resco Encrypted File (Resco, sro)
RXF Recipe Exchange Format (Resort Software Pty. Ltd.)
RXH Reflex Database Help File (Borland Software Corporation)
RXL Seetrax Ranger PCB CAD Design File (Seetrax CAE Ltd)
RXML Roxen WebServer RoXen Macro Language (Roxen Internet Software AB)
RXN MDL Molfile Reaction Format (MDL Information Systems, Inc.)
RXP Easy CD & DVD Creator 6 Playlist (Sonic Solutions)
RXPROJ RPG Maker XP Project File (Enterbrain, Inc.)
RXR Reflex Database Report (Borland Software Corporation)
RXS Reflex Database Screen Driver (Borland Software Corporation)
RXS ooRexx Script File (Rexx Language Association)
RXS AudioCentral Roxio Markup Sound (Sonic Solutions)
RXS RSIGuard RSIScript File (Remedy Interactive, Inc.)
RXS Easy CD & DVD Creator 6 Markup Sound (Sonic Solutions)
RYTHME Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
RZ rzip Compressed Archive (Andrew Tridgell)
RZR in-sync Speed Razor Project File
RZX in-sync Speed Razor Project File
RZX File Crypt Encrypted File (Red Zion)
RZX RamSoft's ZX Spectrum Replay

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