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: 876.

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Extension Information
L WATCOM Wlink Directive
L IRIS Editor Literary Format File (eurobraille)
L LISP Program File
L Xcode Core Lex Program (Apple Inc.)
L Link Instructions
L Game of Life Pattern File
l LEX Program File
L Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
L Cliq Accessories Datebook Lock File
L2L IBM Voice Type Language Addword File
L2P IBM Voice Type Language Addword File
L2R Lineage II Replay (NC Interactive, Inc.)
L3G Compressed Archive
L4D Cinema 4D Layout (MAXON Computer GmbH)
L5K RSLogix 5000 (Rockwell Automation)
L64 64LAN Image File
L6T GearBox Tone File (Line 6, Inc.)
L95 Library File
LA Lightscape Animation
LA LA Lossless Compressed Audio
LA GNU Libtool Library (GNU Project - Free Software Foundation)
LA Netscape Packetized Audio
LA1 Liquid Audio Player Resource DLL (Geneva Media, LLC)
LAA LucasArts AdLib Audio File Format
LAB NCSS/SOLO Data File
LAB Outlaws Container File (LucasArts Entertainment Company LLC)
LAB Complete Works Label (Toplevel Computing)
LAB BAR-ONE Lite Label (ZIH Corp.)
LAB Mailing Labels
LAB Q+E Mailing Label
LAB NGSofts.com LAB Editor (NGSofts.com LAB Editor)
LABELS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LABLES Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LACCDB MS Office Access MS Office Access
LAD Daylon Leveller Animation Data
LAF Essential Taceo User License Activation File (Essential Security Software, Inc.)
LAM Netscape Media Player Streaming Audio Metafile
LAMP Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LAN ERDAS IMAGINE LAN Sensor Data (Leica Geosystems , LLC)
LAN Novell NetWare LAN Drivers
LAND Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LANDSAT EOSAT Landsat Thematic Mapper Bitmap Data
LANG CDex Language File
LANG Skype Language File (Skype Technologies S.A.)
LANGUAGE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LAO Epson Smart Panel File (Epson Corporation)
LAPTOP Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LAR Liquid Audio Player Registration File (Geneva Media, LLC)
LARG Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LARGE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LARRY Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LAS Log ASCII Standard (LAS) File (The Canadian Well Logging Society (CWLS))
LAS Light-O-Rama Animated Sequence (Light-O-Rama)
LASE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LASER Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LASSO Lasso Studio Database Driven Web Page (Blue World Communications, Inc.)
LAST Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LAT Crossword Express Lattice File (AUS-PC-SOFT)
LAT LATEX
LATEST Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LATEX LaTeX Source Document (LaTeX3 Project)
LAUNCH Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LAUNCHER Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LAV Listlabl File
LAV Liquid Audio Player Voucher File (Geneva Media, LLC)
LAVAITTE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LAVS Liquid Audio Player Secure Streaming Voucher File (Geneva Media, LLC)
LAW eLawForms Form File (E*Law Publishing Limited)
LAWS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LAY MiTek Engineering File
LAY Mastercook Layout File (Sierra)
LAY Tecplot Layout File (Tecplot Inc.)
LAY Lightscape Layer State
LAY Rhino 3D Layer Text File (Robert McNeel & Associates)
LAY Applause Word Chart Layout
LAY Track Builder Simulation Compiler Code (Signal Computer Consultants)
LAY Pro/ENGINEER (PTC)
LAYER1 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LAYOUT Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LAYOUT Premiere Layout (Adobe Systems Incorporated)
LAYUP MSC.Patran Laminate Modeler Composites Ply Layup Information (MSC.Software Corporation)
LA_ TI Databook File
LB Novanew File
LB LB Packer Sound File
LB Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LBA Little Billy's Album Photo Album Project File (Little Billy's Album, Inc.)
LBA Liberty BASIC File
LBD Life Balance User Data (Llamagraphics, Inc.)
LBD Grafic FLI File
LBE Life Balance XML-based Data Exchange (Llamagraphics, Inc.)
LBG dBASE IV Label Generator
LBI Dreamweaver Library File
LBI Fifa 2001 Data Feart Legal Screeen
LBK VersaPro Local Logic Block Backup
LBL British National Bibliography File
LBL Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LBL Markin Label File (Markin)
LBL Daqarta Extended Audio Data (Interstellar Research)
LBL Creatacard Label Project (Broderbund)
LBL Label
LBM XLib Linear Bitmap Graphic
LBM Deluxe Paint Bitmap
LBM Deluxe Paint (Electronic Arts, Inc.)
LBM Graphic, Sound
LBM Amiga Interleaved Bitmap Format (Amiga)
LBO dBASE IV Ordered Labels
LBR Compressed Archive File
LBR CP/M Information File
LBR 1-2-3 Display Driver (IBM)
LBR EAGLE Layout Editor Library (CadSoft Computer, Inc.)
LBR Omnis7 Application File (Omnis Software)
LBS Omnis Studio Application Library (Raining Data Corporation)
LBT Foxpro Label Memo (Microsoft Corporation)
LBU Cloaked Affiliate Link Builder Saved Settings File (Curry K. Software)
LBV Tonline Ob4hbci Layout Print File
LBW CCP Log Server Utility Log File (CCP)
LBX Foxpro Label (Microsoft Corporation)
LBXADD Libronix DLS Addin
LBXALV Logos Bible Software Series X Passage In All Versions
LBXCBV Logos Bible Software Series X Copy Bible Verses Style
LBXCIT Libronix DLS Citation Format
LBXCMP Libronix DLS Company Information
LBXCOL Libronix DLS Resource Collection
LBXCTB Libronix DLS Custom Toolbar
LBXDAT Libronix DLS Data File
LBXDTP Libronix DLS Data Type
LBXGYQ Libronix DLS Graphical Query
LBXLBK Libronix DLS License Backup
LBXLIC Libronix DLS Licenses File
LBXLLS Libronix DLS Resource
LBXNOT Libronix DLS Notes
LBXOEB Libronix DLS Resource
LBXPDF Libronix DLS Resource
LBXPLN Logos Bible Software Series X Bible Reading Plan
LBXPLP Logos Bible Software Series X Parallel Passage
LBXPLV Logos Bible Software Series X Parallel Bible Versions
LBXPRF Libronix DLS Preferences
LBXPRL Logos Bible Software Series X Prayer List
LBXRAS Libronix DLS Resource Association
LBXRTP Libronix DLS Resource Type
LBXSDG Logos Bible Software Series X Sentence Diagram
LBXSHL Libronix DLS Shell
LBXUPD Libronix DLS Update Script
LBXVRS Logos Bible Software Series X Verse List
LBXWDL Libronix DLS Word List
LBXWKS Libronix DLS Workspace
LBZ Leibniz Mathematical Word Processor
LC Textbridge Classic Bin File
LCA SimpleFormat Changeables Graphic
LCB Living Cookbook File
LCB Concept2 LogCard Utility LogCard Backup Image (Concept2, Inc.)
LCC IBM Voice Type Language Newuser File
LCC Capture One PRO Lens Cast Calibration File (Phase One)
LCD ABBYY Finereader 4.0 Sprint (ABBYY Software House)
LCD LeoCAD Project (BT Software)
LCD CDspace CD Emulator
LCE LockCrypt Database (Harry Jennerway)
LCE SimuPLC Electric Commands Language Source Program (André Luiz Barbosa)
LCF HP-95LX Datacomm Script File
LCF Linker Control File
LCH PagePath Technologies LAUNCH! File
LCH IBM Works for OS/2 Chart
LCI IBM Voice Type Language Newuser File
LCK PageMaker Database (Adobe Systems Incorporated)
LCK Pegasus Mail Mailbox Lock File (David Harris)
LCK ACT! Database Locking File (Best Software CRM Division)
LCK Help 2 Lock File (Microsoft Corporation)
LCK Dreamweaver Lock File (Adobe Systems Incorporated)
LCK Inventor Locking File (Autodesk, Inc.)
LCK Paradox Lock File (Corel)
LCK Lock File
LCK Frontpage-related File (Microsoft Corporation)
LCL Checklist Long-term Checklist (Checklist à long terme) (Francis Gagné)
LCL FTP Software Data
LCM Lipikar Data (Santanu Ghosh,)
LCN LCNWindow GUS Virtual Drive File (Honeywell International Inc.)
LCN WordPerfect Dictionary File (Corel Corporation)
LCO Railroad Tycoon 3 Locomotive Properties (PopTop Software Inc.)
LCS L0phtCrack (@stake)
LCS ACT! History File (Best Software CRM Division)
LCT Elsie Electrical Filter Design (Tonne Software)
LCW Lucid 3-D Spreadsheet
LD Paradox Language Driver (Corel)
LD PC-Bibliothek User Options (Bibliographisches Institut & F.A. Brockhaus AG)
LD Telix Long Distance Codes
LD1 dBASE Overlay File
LD2 Lingoes Dictionary (Lingoes Project)
LD2 SediMeter Field Measurement File (Lindorm, Inc.)
LDA LaserData
LDATA JSim Line Data Format (University of Washington)
LDB Nokia Nokia (Nokia)
LDB RPG Maker 2000/2003 Database (Enterbrain)
LDB TrueVector Log Database
LDB Settler for Windows Temporary File
LDB VisiTrax Music Library Database (Synapsa Productions)
LDB Access Lock File (Microsoft Corporation)
LDB IBM Works for OS/2 Data Filer Database
LDC Steuer2001 File
LDD Laser Dispatch Data
LDF IBM Works for OS/2 Data Filer Form
LDF TriboIndenter Air Indent Electrostatic Force Constant Calibration (Hysitron Incorporated)
LDF enotate Layered Data Format File (Informal Software, D.I.P., Ischian Systems)
LDF Geoworks Glue Library Definition
LDF SQL Server Transaction Log File (Microsoft Corporation)
LDF LDIF Script
LDF LuraDocument File
LDF ProWORX Nxt Logic Data (Schneider Electric)
LDFX LogPlot 7 LogDeesign Format File (RockWare, Inc.)
LDI LDIF File
LDIF LDAP Data Interchange Format
LDL OzWin CompuServe E-mail/Forum Access Download Request
LDL Corel Paradox Delivered Library
LDP Label Designer Plus DELUXE Data File (CAM Development)
LDR WindLDR (IDEC Corporation)
LDR Symantec Ghost Template File (Symantec Corporation)
LDR Yamaha Live Drum Kits (Yamaha Corporation of America)
LDR LDraw Model File (Estate of James Jessiman)
LDS Laser Dispatch Script
LDS LOUDNESS Sound System
LDS Trane Trace Load
LDS Corel40 Programs Data File
LDW Virtual Villagers Data
LDX Liquid Studio Liquid Executable Bytecode (Global Heavy Industries)
LD_ Visc15 Adressen Setup File
LE DOS/4GW PM 32X DOS Extender Executable Image
LE Opera Binary Voice-related File (Opera Software ASA)
LE$ BASIC VB
LEECHGET LeechGet Download Manager Temporary File (Martin Albiez)
LEF Lenex XML Data (GeoLogix AG)
LEFT Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LEFTY Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LEG Legacy Graphic Format
LEGIT Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LEMONS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LEN XNBC V8 Biological Neural Network Simulation Workstation Axon Lengths
LEN Sheffield Dictionary File
LEN PlatePrep
LENGTH Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LENTH Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LEP Label and Envelope Designer Plus 2000
LES Lesson File
LES Mklesson Lesson File
LES Learn Lesson File
LES Logitech Entertainment Game Profile
LESPAUL Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LET Creatacard Letterhead Project (Broderbund)
LET Maestro Icons File
LET Genesis 2000 (Genesis 2000, Inc.)
LET Letter
LET Nuke Randomic Life Generator
LETTER Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LETTERS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LEV Return to Wonderland Classic Version Level File (Midnight Synergy)
LEV NetHack Level File
LEV Worms Armageddon Map
LEV Liero Level
LEV Worms World Party Map
LEVEL Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LEVEL Homeworld Level Data (Sierra Entertainment, Inc.)
LEX HP-Basic Language Extension
LEX Lexmark Printer Install File
LEX Lexicon (Dictionary)
lex lex or flex File
LEX Acrobat (Adobe Systems Incorporated)
LEY Notes 5 Full Text Index (IBM)
LEY Leylines Map File or Saved Game (Crystal Shard)
LE_ BASIC VB Compressed Disk1 File
LF SoftwareKey License File
LFA LifeForm File
LFA IncrediMail Default Animations (IncrediMail Ltd.)
LFD LucasArts Games Resource (Lucasfilm Entertainment Company Ltd.)
LFF LucasFilm Format
LFG LensForge Lens Design Specification (Ripplon Software Inc.)
LFL LucasFilm Library
LFM Lazarus Lazarus Form Designer File (Free Pascal Lazarus Team)
LFM LifeForm File
LFP IPRO View Load File (IPRO Tech Inc.)
LFP LifeForm File
LFP TrialDirector Load File (inData Corporation)
LFQ LeechFTP Queue File
LFT 3D Studio Loft File (Autodesk, Inc.)
LFT ChiWriter Laser Printer Font
LFXM FaceMail Text to Speech E-mail
LG Archive Handler by George Lyapko
LG Arhangel Compressed Archive
LG Logo Procedure Definition
LG2 HotMux Thermocouple Data Log File (DCC Corporation)
LG? LoseThos Graphic File (Terry A. Davis)
LGA Windows Applog File
LGC SimpleK Database (Prosystech inc.)
LGC Corel Layout Designer Logic File for SGML
LGC Audio
LGC Windows Application Log
LGC Program Use Log File
LGC Screen Saver Toolkit (Stardust Software)
LGC Logicator File
LGD Windows Application Log
LGE Windows Application Log
LGF LeechGet Download Manager FTP Queue (Martin Albiez)
LGF ProWORX Nxt Log Book Note (Schneider Electric)
LGF Logomotion Graphic File (Logotron Ltd.)
LGF Legal Eagle Text File
LGF Windows Application Log
LGG Windows Application Log
LGH Pro/ENGINEER (PTC)
LGH Windows Application Log
LGI Windows Application Log
LGI Multimedia Logic Digital Logic Diagram (Softronics Inc.)
LGJ Windows Application Log
LGK Windows Application Log
LGL LeechGet Download Manager Download Queue (Martin Albiez)
LGL Windows Application Log
LGM Windows Application Log
LGN Windows Application Log
LGO MSWLogo Saved Logo Design (Softronics, Inc.)
LGO SuperFax Header/Footer Logo
LGO Modern ListGeo Output
LGO Windows Logo Driver (Microsoft Corporation)
LGP Final Fantasy Game Archive (Square Enix Co., Ltd)
LGP Logitech G15 Gaming Keyboard Profile File (Logitech)
LGP Windows Application Log
LGP Logotron SuperLogo File
LGQ Windows Application Log
LGR Windows Application Log
LGR Elasto Mania Character Skin
LGS Windows Application Log
LGT The Sims Lighting File (Electronic Arts (Maxis))
LGT Urban Chaos Game File
LGT Age of Mythology World Lighting Effect (Ensemble Studios Microsoft)
LGX Logistix Spreadsheet
LGZ Windows Application Log
LH Morph File
LHA Compressed Archive File
LHN Vosub Encrypted Subtitles (Qsubs)
LHP Electric Butterfly
LHS Literate Haskell Source File
LHTS The Movies Editor Text String Database (The Movies Workshop)
LHW Compressed Amiga Archive File
LHZ LHA Compressed Archive File
LI$ MS Compressed Library
LIA P-CAD Schematic Library (Altium Limited)
LIB AS/400 Physical File Library (IBM)
LIB Greeting Card Library
LIB Library Used by an Application
LIB Program Library Common Object File Format (COFF) (Microsoft Corporation)
LIB Scholar's Aid Library File
LIB Finale NotePad Music Library (MakeMusic, Inc.)
LIB Sibelius House Style File (Sibelius Software Ltd)
LIB PSpice Library File (Cadence Design Systems, Inc.)
LIB OrCAD Library Model (Cadence Design Systems, Inc.)
lib Common-Lisp Library
LIB Game Maker Drag & Drop Actions Library (YoYo Games Limited)
LIB Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LIB1 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LIB2 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LIB3 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LIBRARIES Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LIBRARY Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
library-ms Windows Explorer Windows Explorer (Microsoft Corporation)
LIBS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LIC ESET NOD32 Antivirus License File (ESET, LLC)
LIC PETRA Log Image Calibration File (IHS Inc.)
LIC Borland License File (Borland Software Corporation)
LIC FLEXnet Manager License File (Acresso Software Inc.)
LIC License File
LICENSE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LICK4 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LID Lextek Language Identification Module (Lextek International)
LID Light Field Description File
LID Maple V Setup File (Maplesoft, a Division of Waterloo Maple Inc.)
LID Quicken 2002 Deluxe File (Intuit Inc.)
LID Scholar's Aid Backup File
LID WinDVD File
LID LabelVision Auto Incrementing Value File
LID Dylan Library Interchange Description
LIF TurboTax Information Archive (Intuit)
LIF Game of Life Pattern File
LIF HP Logical Interchange Format File
LIF Homeworld Layered Image Format File (Sierra)
LIF Knowledge Dynamics Install Archive
LIF CA Clipper Installer Compressed File Archive
LIF Compressed Archive File
LIFE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LIFE Game of Life Pattern File
LIGH Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LIGHT Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LIGHTNING Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LILLIES Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LIM Limit Compressed Archive
LIN Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LIN ArcView ARC/INFO Lineset Symbol File (ESRI)
LIN Medlin Accounting Current Period Invoice Detail (Medlin Accounting)
LIN VAX Program Listing
LIN AutoCAD Linetype Definition (Autodesk, Inc.)
LINDBERG Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LINEEDIT Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LINES Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LINK Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LINKTP Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LINO LinoLab Source Code (Linova)
LINUX File for Linux
LIP SLIP
LIQ Liquid Tracker Song/Module
LIQ CollegeBAR Bartending Software Liquor Cabinet
LIQCRYS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LIR Liram Application Save Application Setting (Liram Ltd.)
LIS Compiler Listing File
LIS VAX Program Listing
LIS Structured Query Reporting (SQR) Output
lisp LISP Source Code
LISPM LISP Machine File Bitmap
LIST Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LIST BlindWrite (VSO-Software)
LISTER Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LISTING Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LISTLAYOUT Adium Contact List Layout (The Adium Team)
LISTS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LISTTHEME Adium Contact List Theme (The Adium Team)
LIT AMOS Executable File (Alpha Micro)
LIT Quake Colored Light Data
LIT Reader eBook File (Microsoft Corporation)
LIT Movie
LIV LiveMotion SWF Movie (Adobe Systems Incorporated)
LIV Yamaha Live Voice File (Yamaha Corporation of America)
LIV Living Actor Actor File (Cantoche)
LIVEREG Symantec Anti-Virus Update Session (Symantec Corporation)
LIVESUBSCRIBE Symantec Anti-Virus Update Catalog (Symantec Corporation)
LIVEUPDATE Norton Anti-Virus Update Settings File (Symantec Corporation)
LIX ExtendSim Library File (Imagine That Inc.)
LIX Libronix DLS Resource
LIZ Comprressed List File
LI_ Rukus File
LJ Text File for HP LJ II Printer
LJ HP LaserJet Graphic Bitmap
LJB Lightjockey Backup Database (Martin Professional A/S)
LJBDOWNLOAD l-JB Download Manager Download Link File
LK Advanced Revelation and OpenInsight Primary Data Storage Space (Revelation Software)
LKB Faverly Data Recorder Output
LKD Pioneer OEL Screensaver (Pioneer Electronics (USA) Inc.)
LKO Outlook Express Linked Object (Microsoft Corporation)
LKP Systems Management Server (SMS) Lookup File (Microsoft Corporation)
LKS WinAmp Links File
LKT Lookup Table
LKU T9000 Linkable Unit
LKY Trojan Troj/Zlob-AGB
LL Links Language Template File
LL List and Label Printer Setup File (combit GmbH)
LL3 LapLink III Document File
LLB LabVIEW Application Program Library (National Instruments Corporation)
LLC LapLink Saved Connection File
LLD Links Language Data File
LLG LADSIM Ladder Logic Diagram (Bytronic Ltd)
LLP Digital Chart of the World Data File
LLP Lotto Logic 2002 Lottery Configuration File (Timersoft)
LLP VersaPro Local Logic Block
LLSD Linden Lab Structured Data (Linden Research, Inc.)
LLT Digital Chart of the World Data File
LLV Lizard Safeguard License File (LockLizard Ltd)
LLX Laplink Exchange Agent
LLX List and Label Extension Object (combit GmbH)
LLX Tonline Ob4hbci File
LM8 Picture File
LMA Learning Mobile Author (LMA) Project File (Hot Lava Software)
LMA Netscape Packetized Audio
LMD ABBYY Finereader 4.0 Sprint (ABBYY Software House)
LMD Tune Smithy List of Modes for a Musical Scale
LME LegglessMusicEditor Sound/Module
LMH Memory Hacking Software Memory File (Outdated) (Shawn (L. Spiro) Wilcoxen)
LMI HomePortal Firmware Recovery File (2Wire, Inc.)
LMK Sprint-Layout Macro (ABACOM Ingenieurbüro)
LML LOGML File
LMP Quake File
LMP Doom Recorded Demo File (Id Software, Inc.)
LMR QuickBooks Loan Manager File (Intuit Inc.)
LMS Light-O-Rama Lighting Control File (Light-O-Rama)
LMT RPG Maker 2000/2003 Map Tree (Enterbrain)
LMU RPG Maker 2000/2003 Map File (Enterbrain, Inc.)
LMV LEGO CAD Movie (The LEGO Group)
LMV Flash Source Code (Adobe Systems Incorporated)
LMV LiveSwif Movie File
LMW LMW Examples File
LMX Nokia Nokia (Nokia)
LMX Lomax Software Game File Lomax Software Game File
ln UNIX lint File
LN03 DEC LN03+ Sixel Bitmap
LNB Logomanager File
LND 3D Landscape Data
LNED Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LNF Oyoaha lookandfeel Interface Elements (Oyoaha)
LNG SourceEdit Language Definition
LNG NRG SDR Language File
LNG DeepBurner Language File (ASTONSOFT Co.)
LNG Language File
LNG Lingo Script File
LNG Acrobat Language Plug-in (Adobe Systems Incorporated)
LNG Diablo II (Blizzard Entertainment)
LNG Jasmine Language File
LNG Launch-n-Go Shared Keyboard Shortcuts (Tethys Solutions, LLC.)
LNG Lahey FORTRAN Language Extension
LNGTH Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LNK Advanced Revelation Database File (Revelation Software)
LNK Linker File
LNK Windows Shortcut File (Microsoft Corporation)
LNK XNBC V8 Biological Neural Network Simulation Workstation Link Configuration File
LNK Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LNK2 Program Neighborhood Explorer Shortcut (Citrix Systems, Inc.)
LNM WordPerfect SGML Alias (Corel Corporation)
LNR Lunar Invasion Saved Game
LNS LinkStash Bookmark File
LNS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LNT ARMACON Data File (LNT Engenharia [LNTinfopage])
LNT LiveNote Case File (LiveNote Technologies)
LNX Atari Lynx ROM Image (Atari)
LNX Lynx Project File (Zippety Software)
LO Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LO GNU Libtool Library Object File (GNU Project - Free Software Foundation)
LO4 SeeYou Flight Data (Naviter)
LOAD Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOADER Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOADS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOAN Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOANS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOANX Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOC EasyGPS TerraByte Location File (TopoGrafix)
LOC Suppose Locations File
LOC Localisation String Resource Header File
LOC MicroSim PCBoard Component Locations Report
LOCAL Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOCAL DLL Redirection DLL Redirection (Microsoft Corporation)
LOCAL Xset Setup Program Bin File
LOCATOR Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOCK .NET Framework Database Lock File (Microsoft Corporation)
LOCKED Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOCKED Softwrap Locked and Encrypted EXE File (Softwrap)
LOCKSMITHING Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOD Load File
LOD Homeworld Level Of Detail (Sierra Entertainment, Inc.)
LOD A-10 Cuba! Weapons Loadout (Activision, Inc.)
LOF LaTeX Auxiliary File for List Of Figures
LOG LabVIEW Binary Datalog (National Instruments Corporation)
LOG PDP-10 Batch Log File
LOG HijackThis Log File (Trend Micro Incorporated)
LOG ProWORX Nxt Text Log File (Schneider Electric)
LOG MS HTMLHelp Log
LOG TrialDirector Load File (inData Corporation)
LOG Log File
LOG SeeYou Flight Data (Naviter)
LOG Pro/ENGINEER (PTC)
LOG Wise Installer Log (Symantec Corporation)
LOGIN Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOGO Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOGO2 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOGO3 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOGO4 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOGOFF Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOGON Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOGONVISTA LogonStudio Vista Logon Image (Stardock Corporation, Inc.)
LOGONXP LogonStudio Document (Stardock Corporation, Inc.)
LOK OmniPage Ver 9 File (Nuance Communications, Inc.)
LOK FileWrangler/ZipWrangler/SecurDesk! Encrypted Archive
LOL Lolcode Source File (Lolcode)
LOLLY Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LONG Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOO Sterlingware Fractal Parameter File (Stephen Ferguson)
LOOK Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOOP Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOOP Soundtrack Hinted Audio Loop (Apple Inc.)
LOOP1 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOOP2 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOOPA6 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOP Sierra Mastercook Layout File
LOSANGELE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOT LaTeX Auxiliary File for List Of Figures
LOUD Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOUD3 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOVE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOW Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LOW PDP-10 Low Segment of a Two-Segment Program
LOWSTRINGS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LO_ Systems Management Server (SMS) Renamed Old Log File (Microsoft Corporation)
LP LaTeX Drawing File (LaTeX3 Project)
LP FlexRip/B
LP Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LP Lightscape Preparation File
LP LP88 Linear Programming for the IBM-PC File
LP Voice Manager Audio Recording (Coby Electronics Corp.)
LP NASCAR Racing 2002 Track Configuration Options (Sierra)
LP1 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LP3 Hansen Software Label Printer
LP4 Hansen Software Label Printer
LP4 36-Image Converter Encrypted Language Pack (UIC Phoenxsoftware)
LP7 LP7Signer Digital Signed File (Lex Persona)
LPA LPA-View Laser Particle Analyser Test Analysis Software
LPAQ Data Compression Programs Compressed File (Matt Mahoney)
LPB ProWORX Nxt Logic Pointer (Schneider Electric)
LPB LP88 Linear Programming for the IBM-PC File
LPC Linear Predictive Coding Sound
LPC Teko Printer Driver
LPC LivePC Engine Subscription Information (moka5)
LPD LECTURNITY Multimedia Audio/Video/Clips Presentation Document (IMC AG)
LPD Label Pro Ver. 2.0-3.02 Data File (Avery)
LPD Helix Nuts and Bolts File
LPD LogonProcessor Configuration Database (VAI)
LPF Lytec's Direct Electronic Medical Claims ClaimsDirect
LPF LogicPort LA1034 Logic Analyzer Project (Intronix Test Instruments, Inc.)
LPF ProWORX Nxt Logic Pointer (Schneider Electric)
LPG Lowrey Organ Registration (Setup) File (Lowrey Organ Company)
LPI Live Pictures
LPI Free Pascal Lazarus Project Information File
LPJ PASSOLO Localization Project
LPJ SoftwareShield License Manager License Project File (SoftwareShield Technologies Inc.)
LPK License Package
LPK Lazarus Lazarus Package File (Free Pascal Lazarus Team)
LPL Darkstone Character Information File
LPN LVPlan - Planification of Low Voltage Aerial Distribution Networks
LPP Let's Photo Photo Slideshow (Canopus Co., Ltd.)
LPR Lazarus Free Pascal Lazarus Project File
LPR LAPRO Source Code File (Marco Mugnatto)
LPR Homeworld (Sierra Entertainment, Inc.)
LPROJ Mac OS X Localized Project Folder
LPT LogPlot/LogView Compiled Boring Log (RockWare, Inc.)
LPT PDP-10 Line Printer Output
LPT TrialDirector Load File (inData Corporation)
LPU PASSOLO Localization Project
LQ Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LQF Leech FTP Save Queue File
LQP Liquid Audio Player Passport File (Geneva Media, LLC)
LQR Compressed Archive File
LQT Liquid Audio Player File (Geneva Media, LLC)
LQT Winamp File
LR Chaos Desktop Layer List (Chaos systems AB)
LRC StepMania Lyric File (StepMania)
LRC Intel Video Phone Language Resource Control (Intel Corporation)
LRC Dance With Intensity
LRC Lyric File
LRD Money Locked Database File (Microsoft Corporation)
LRF C/C++ Linker Response File (Microsoft Corporation)
LRF Line Rider 2 Unbound Custom-Drawn In-Game Font (inXile entertainment)
LRF BroadBand eBook
LRG Macromedia XRes Multi-resolution Bitmap
LRM Line Rider 2 Unbound Saved Track (inXile entertainment)
LRM Encarta Class Server Learning Resource (Microsoft Corporation)
LRP Linux Router Project Package
LRP IBM Works for OS/2 Report
LRP Line Rider 2 Unbound Puzzle Part (inXile entertainment)
LRR Mercury LoadRunner Test Results File (Mercury Interactive Corporation)
LRS Lazarus Lazarus Resource File (Free Pascal Lazarus Team)
LRS Mercury LoadRunner Scenario (Mercury Interactive Corporation)
LRS Lode Runner 2 Savegame (GT Interactive(now Atari/Infogrames))
LRS Lexar Encrypted File (Lexar Media, Inc.)
LRS Language Resource File (Corel)
LRS Daylon Leveller Rendition Style
LRT Yacc: Yet Another Compiler-Compiler Log File
LRU Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LRX BroadBand Secure eBook
LRZ Lotto Hat File
LS Links 98 Game File
LS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LS Unix ls Directory File
LS Lightscape Solution File
LS Freeware Dictionary Project Data File
LS1 Cokriging Software VARIO Output File
LS1 OzWin CompuServe E-mail/Forum Access Library Listing
LS1 Winhelp Source file
LS2 Cokriging Software COREG Output File
LSA Liquid Audio Player Skin File (Geneva Media, LLC)
LSA LightScape Technologies ASCII Data
LSB LightScape Technologies Binary Data
LSC Tune Smithy List of Muscial Scales
LSC LOGO!Soft Comfort Circuit File (Siemens AG)
LSD RPG Maker 2000/2003 Saved Game File (Enterbrain)
LSD LECTURNITY Presentation File Source Format (IMC AG)
LSD Fifa World Cup Game Data Environment File
LSD ABBYY Lingvo Non-changaeble System Dictionary (ABBYY Software House)
LSE Audio Manager (Nokia)
LSF Libronix DLS Resource
LSF Totem Cash Profile File
LSF Streaming Audio/Video File
LSG LocStudio Glossary (Microsoft Corporation)
LSI Corel Layout Specification Instance SGML
LSI Audio
LSL Daylon Leveller Shape List
LSL Lotus Script Library (IBM)
LSL lightScribe Direct Disk Labeling lightScribe Direct Disk Labeling (HP - lightScribe Direct Disk Labeling)
LSL Corel Paradox Saved Library
LSL Liquid Audio Player Resource DLL (Geneva Media, LLC)
LSLANG Ad-Aware Language File (Lavasoft)
LSLIDE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
lsm Linux Software Map
LSN Works File (Microsoft Corporation)
LSO BHV Tonstudio Platin File
LSO Logic Audio File
LSP AutoLISP Application Source Code (Autodesk, Inc.)
LSP newLISP Source Code (Lutz Mueller)
LSP Living Scenes Jigsaw Puzzles
LSP Liquid Player Playlist (Liquid Studio)
LSP Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
lsp Common-Lisp Source Code
LSQ MRS-802 Phrase Loop Formula Data (Zoom Corporation)
LSQ IBM Voice Type Language Addword File
LSQ VAX CRYSTALS Chemical Crystallogaphy File
LSQ CalTech PaleoMag Least Squares Format
LSR Logos Library System 2.x Standard Reference Definition
LSS LotusScript Program File
LSS Legato Spreadsheet
LSS LSS Survey File (McCarthy Taylor Systems Ltd)
LSSAVE Memory Hacking Software Memory File (Shawn (L. Spiro) Wilcoxen)
LST MovieList Deluxe Project/Playlist file (ASW Software)
LST 1st Reader Keyboard Macro
LST Family Tree Maker Error File
LST Ingres Dump List File (Computer Associates International, Inc.)
LST Listing or List
LST IMail Server List Server Mail (Ipswitch, Inc.)
LST SignIQ Field List (ImpulseLogic)
LST SAS Procedure Output (SAS Institute Inc.)
LST Oracle Spool File
LST OzWin CompuServe E-mail/Forum Access Library Listing
LST PowerPoint View File (Microsoft Corporation)
LST Valve Map Related File (Valve Corporation)
LST Acrobat Font List File (Adobe Systems Incorporated)
LST Kaspersky Lab Blacklist File (Kaspersky Lab)
LST BPM Studio Play List (ALCATech)
LST Pro/ENGINEER Temporary File (PTC)
LST Orchida Knitting System (Orchida Soft)
LSW Technics Keyboard Current Panel File
LSW Golf Swapfiles File
LSX Streaming Audio/Video Shortcut
LSZ LSize LSize (MicroRidge)
LSZ WinFax (Symantec Corporation)
LSZ Learning Score Learning Score (Tribal)
LSZ Adressmn File
LSZ LiteStep Installer Theme File (beyondconvention)
LS_ Unix ls Directory File
LT PC LTAS Printer Configuration File
LT Shape Cut (Laxmi Technologies)
LT2 Curious Labs Poser Lighting File
LTB Amma Lsb v1.0
LTD LivingTime Data File (Lifescope Inc.)
LTE Adressmn
LTF Frogans Short-cut (STG Interactive SA)
LTG Lasertank Bitmap Graphics
LTH Easy CD Creator Theme File (Sonic Solutions)
LTH Sierra Print Artist Letterhead
LTL Linear Temporal Logic Formula
LTM EOSAT Landsat Thematic Mapper Bitmap Data
LTM Lotus Form (IBM)
LTM LiteMail Database/Project (Sprika Software)
LTPL Insight II Layout Template File (Accelrys Software Inc.)
LTR Letter
LTR ACT! Letter (Best Software CRM Division)
LTT SDR99 Speech Recognition Task Lexical TREC Transcription
LTT HP Library and Tape Tools Log File
LTT MicroImages Text Layout (MicroImages, Inc.)
LTX LaTeX Mathematical Text Document
LU ThoughtWing Library Unit File
LUA Lua Player for PSP Script (InsertWittyName)
LUA Homeworld Generic Lua File (Sierra Entertainment, Inc.)
LUA Lua Source (Tecgraf - Computer Graphics Technology Group)
LUB Star Wars Game File (Lucasfilm Ltd.)
LUCS Amaya Tools
LUDI_PSEUDO_PROTEIN Insight II Exclusion Shell File (Accelrys Software Inc.)
LUF Lipikar Text (Santanu Ghosh,)
LUL OzWin CompuServe E-mail/Forum Access Upload
LUMPSUM Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LUN DB-MAIN Project File (REVER S.A.)
LUNCH Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LUNCH Lunchbox Battles Lunchbox Battles (Bram Bos)
LUP OzWin CompuServe E-mail/Forum Access Library Update
LUT LUT File
LUT Osiris Prefs Colordir File
LUTE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LUX Spectramap Database (Coloritto BV)
LUXB Lux Saved Map File (Sillysoft)
LUZ Spectramap Spectramap (Coloritto)
LV1 Boulder Rash Original Single Level
LV5 Return to Wonderland Deluxe Version Level File (Midnight Synergy)
LV6 Return to Wonderland Platinum Version Level File (Midnight Synergy)
LVA Logitech Video Effects Avatar and Face Accessory (Logitech)
LVB Outlaws Binary Mission Files (LucasArts Entertainment Company LLC)
LVD LPA-View Data File (MP Filtri U.K. Ltd.)
LVF Logitech Video Effects Avatar and Face Accessory (Logitech)
LVL Parallax Miner Descent/D2 Level Extension Level Extension
LVL Max Payne Uncompiled Level File (Rockstar Games)
LVL Snood Game Level
LVL Continuum Zone Data (SubSpaceDownloads.com)
LVL Boulder Rash Original Full Levels
LVL Lasertank Level
LVL Zero Editor Zero Engine Game File (Lucasfilm Ltd.)
LVL Super Mario Bros X Level File
LVL Lode Runner 2 Level/User Level (GT Interactive(now Atari/Infogrames))
LVM LabVIEW Measurement (National Instruments Corporation)
LVP LView Pro Image
LVP Avaya Voice Player Compressed Voice Audio (Avaya Inc.)
LVP Lucent Voice Player
LVS Daylon Leveller Selection Mask
LVT Outlaws Text Mission Files (LucasArts Entertainment Company LLC)
LVU Livid Union Project File (Livid Instruments)
LVW Daylon Leveller View File
LVZ Continuum Zone Data Graphics (SubSpaceDownloads.com)
LW Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LW LightWave (ClearJump)
LW Line Work TIFF Bitmap
LW2 Lightwright Version 2 Show Data File (John McKernon Software)
LW3 Lightwright Version 3 Show Data File (John McKernon Software)
LW4 Lightwright Version 4 Show Data File (John McKernon Software)
LW5 Lightwright Version 5 Show Data File (John McKernon Software)
LWA LightWorks Archive (LWA) Material/Scene File (LightWork Design Ltd.)
LWA Lightwright Automated Action File (John McKernon Software)
LWC Living Word Commentaries Bible File
LWD LotusWorks Text Document (IBM)
LWF LuraWave-compressed Graphic File
LWI LightWorks Image (LightWork Design Ltd.)
LWK LonghornMax Data File (Cattlesoft, Inc.)
LWL Lightwright Printed Paperwork Formatting Instructions (John McKernon Software)
LWM LittleWays Map (hfrmobile)
LWO Tstream Editor Studio Translation Package (Xplanation Language Services)
LWO LightWave 3D 3D Object (NewTek)
LWP IBM Works for OS/2 Document
LWP Wordpro 96/97 Document (IBM)
LWP Lightwright Dimmer Rack Power Phase Layouts (John McKernon Software)
LWR RollerCoaster Tycoon Laser Writing (Atari)
LWS LightWave 3D 3D Scene File (NewTek)
LWT Lightwright Attribute List File (John McKernon Software)
LWTP LimeWire Theme File (Lime Wire LLC.)
LWV Litewave Audio File (MASTLabs LLC)
LWV Linguistically Enhanced Sound File (Microsoft Corporation)
LWY Lightwright Library File (John McKernon Software)
LX LPEX Customization Command Profile
LXA Office Speech Lexicon File (Microsoft Corporation)
LXD Lexacom Data File (Aprobrium Limited)
LXD eDictionary Reader Dictionary Data File (PPCLINK)
LXF Lenex Compressed XML Data (GeoLogix AG)
LXF LEGO CAD Scene File (The LEGO Group)
LXFML LEGO CAD Digital Designer XML Data (The LEGO Group)
LXG LEGO CAD PC/Macintosh Exchange Format (The LEGO Group)
LXL LPEX File Open Command Profile
LXM Lexacom Mobile PDA Dictation File (Aprobrium Limited)
LXML Leerling Volg Systeem Leering File (Zoutewelle Media Groep b.v.)
LXN SeeYou Flight Data (Naviter)
LXO LaserMaster Font
LXS LPEX File Save Command Profile
LXV Lexar Secure II Encrypted Vault (Lexar Media, Inc.)
LXW Lexacom Talk & Type Dictation File
LY GNU LilyPond
LY+ DataCAD Plus Layer (DATACAD LLC)
LYNX Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LYR Song Lyric File
LYR Lyrics for Audio CD
LYR DataCAD Layer File (DATACAD LLC)
LYRIX Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LYS DataCAD Layer Control File (DATACAD LLC)
LYT Printed Circuit Board Layout File
LYT MetaCAM Layout (Metamation, Inc.)
LYT TurboTax Install Log File (Intuit)
LYT SignMaking Application Extension
LYT DESQview (Symantec Corporation)
LYT MicroImages Text Layout (MicroImages, Inc.)
LYX LyX
LZ lzip Compressed File (Antonio Diaz Diaz)
LZA LZA Animation/Video
LZD Binary Difference File
LZF 3ds Max Lens Effect Flare (Autodesk, Inc.)
LZH Compressed Archive File
LZM Slax Add-on Module
LZMA 7-Zip Compressed File (Igor Pavlov)
LZO lzop Compressed Archive
LZR Compressed Archive File
LZS Skyroads Data File
LZS Compressed Archive File
LZS LARC Compressed File Archive
LZSS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
LZW LHWarp Compressed Amiga File Archive
LZW Compressed Amiga Archive File
LZX Compressed File
LZX OpenLaszlo Web Application (Laszlo Systems, Inc.)
LZZZZZZZ Unknown Apple II File (found on Golden Orchard Apple II CD Rom)

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