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# Extensions du fichier Développeur
0 .L - Lex Language Source Format Mike Lesk
1 .L01 - ARC Digitized Raster Graphics Format N/A
2 .L2L - IBM Voice Type Languages Addword IBM
3 .L2P - BM Voice Type Languages Addword IBM
4 .L2R - Lineage II Replay NCsoft Corporation
5 .L32 - Swift Line 21 Caption Softel Limited
6 .L3D - Black & White Graphics Format Lionhead Studios
7 .L4D - Cinema 4D Layout Settings Format MAXON Computer
8 .L5K - RSLogix 5000 Rockwell Automation, Inc.
9 .L6T - Line 6 GearBox Tone Format Line 6
10 .LA - La Lossless Compressed Audio Format La
11 .LA0 - LucasArts Game Data LucasArts Entertainment Company, LLC
12 .LA1 - LucasArts Game Data LucasArts Entertainment Company, LLC
13 .LA2 - LucasArts Game Data LucasArts Entertainment Company, LLC
14 .LAA - LucasArts AdLib Audio N/A
15 .LAB - Corel WordPerfect Label Definition Format Corel
16 .LABX - CASSY Lab LEYBOLD
17 .LABY - Laby Level Format Laby
18 .LACCDB - Microsoft Access 2007/2010 Database Lock Format Microsoft
19 .LAD - Daylon Leveller Animation Data Daylon Graphics Ltd.
20 .LAE - Local Authentication Export IBM
21 .LAF - Lingoes Appendix Lingoes Project
22 .LAI - GNU Libtool Temporary GNU Project
23 .LAK - Kashmir SUGIMOTO Tomohiko
24 .LAM - Netscape Media Player Streaming Audio Metafile N/A
25 .LAMP - ArchiCAD For MAC Geometric Description Language Graphisoft
26 .LAN - Erdas LAN Image Format ERDAS
27 .LANALYSER - Novell Netware LANalyzer Trace Novell, Inc.
28 .LAND - Userland Frontier UserLand Software, Inc.
29 .LANG - Skype Language Settings Format Skype Software
30 .LAO - EPSON SMART PANEL Seiko Epson Corporation
31 .LAR - Liquid Audio Player Registration Geneva Media, LLC
32 .LAS - LIDAR Data Exchange Format ASPRS
33 .LASSO - Lasso Database Driven Web Page LassoSoft
34 .LASTBUILDSTATE - MSBuild Exported Build Microsoft Corporation
35 .LASTLOGIN - Minecraft User Settings Format N/A
36 .LAT - LaTeX LaTeX Project Development Team
37 .LATEX - Latex Text Document Format N/A
38 .LAUNCH - Zend Studio Debugger Configuration Zend Technologies Ltd.
39 .LAUNCHEREX_SOURCERECORD - Foston Google Android Google Inc.
40 .LAV - Liquid Audio Player Voucher Geneva Media, LLC
41 .LAVS - Liquid Audio Secured Download N/A
42 .LAX - AnetHelpTool JavaHelp Viewer Anet
43 .LAY - Apple DVD Studio Pro Layout Format Apple
44 .LAYERDIAGRAM - Microsoft Visual Studio Layer Diagram Microsoft Corporation
45 .LAYOUT - Apple MainStage Layout Format Apple
46 .LAYOUTDESIGNER - QuickBooks Layout Designer Template Intuit Inc.
47 .LB - LBwin Project Procedimientos-Uno, S.L.
48 .LBA - Liberty BASIC Shoptalk Systems
49 .LBC - Cloaked Affiliate Link Builder Saved Link Format Curry K. Software
50 .LBD - Life Balance User Data Llamagraphics
51 .LBE - Life Balance Xml-based Data Exchange Llamagraphics
52 .LBF - Bioshock 2 Configuration 2K Games
53 .LBG - DBASE IV Label Generator Data dataBased Intelligence, Inc.
54 .LBI - Adobe Dreamweaver Library Format Adobe Systems
55 .LBK - VersaPro Local Logic Block Backup General Electric Company
56 .LBL - Database Label Format Format N/A
57 .LBM - Interleaved Bitmap Format Electronic Arts
58 .LBO - DBASE IV Compiled Label dataBased Intelligence, Inc.
59 .LBP - ProWORX Nxt Logic Pointer Schneider Electric S.A.
60 .LBR - EAGLE Library Format N/A
61 .LBS - Omnis Studio Application Format Raining Data
62 .LBT - Visual FoxPro Additional Label Description Format N/A
63 .LBU - Cloaked Affiliate Link Builder Settings Format Curry K. Software
64 .LBX - Visual FoxPro Main (DBF) Label Description Format Microsoft
65 .LBXCOL - Libronix DLS Resource Collection N/A
66 .LBXDTP - Libronix DLS Data Type Libronix Corporation
67 .LBXLLS - Logos Libronix 3.0 Logos Research Systems, Inc.
68 .LBXOEB - Libronix DLS Resource Logos Research Systems, Inc.
69 .LCB - Concept2 LogCard Utility LogCard Backup Image Concept2 Inc.
70 .LCC - Capture One PRO Format Phase One
71 .LCD - Abbyy Finereader Sprint Format Space International
72 .LCF - ArchiCAD Library Container Format Graphisoft
73 .LCH - IBM Works For OS/2 Chart N/A
74 .LCI - IBM Voice Type Languages Newuser IBM
75 .LCK - Lock Format N/A
76 .LCL - Localization N/A
77 .LCLW - ClarisWorks Art Library Apple, Inc.
78 .LCM - Lipikar Custom Map Format Lipikar
79 .LCN - Corel WordPerfect Dictionary Format Corel Corporation
80 .LCP - FARSITE Landscape Data FireModels.org
81 .LCS - ACT! History The Sage Group plc
82 .LCT - Electrical Filter Design James L. Tonne
83 .LCX - LC Model Cray Inc.
84 .LD - Telix Long Distance Codes deltaComm Development, Inc.
85 .LD1 - DBASE Overlay dataBased Intelligence, Inc.
86 .LD2 - Lingoes Compiled Dictionary Format Lingoes Project
87 .LD4 - ACCPAC Plus Menu The World Management Pte Ltd.
88 .LDA - LaserData Image Format N/A
89 .LDB - Microsoft Access Record-Locking Information Format Microsoft
90 .LDD - LEGO Digital Designer LEGO Group
91 .LDF - Microsoft SQL Server Log Format Microsoft
92 .LDI - LDIF Address Book Interchange Format N/A
93 .LDIF - LDIF Address Book Interchange Format N/A
94 .LDL - Corel Paradox Delivered Library Corel Corporation
95 .LDM - VolumeViz Multi-resolution Volume Format Visualization Sciences Group
96 .LDMT - Likno Drop-Down Menu Trees Likno Software Inc.
97 .LDO - Nova Logic Game Loadout Text NovaLogic, Inc.
98 .LDP - Label Designer Plus DELUXE Data CAM Development
99 .LDR - LDraw Model Format LDraw.org
100 .LDS - Linux Compile Time Header Format The GNU Project
101 .LDT - ZENAX Source EULUMDAT Format ZEMAX Development Corporation
102 .LDW - Virtual Villagers Save Game Format LDW Software
103 .LDX - Liquid Studio Liquid Executable Bytecode global heavy industries
104 .LDZ - Microsoft Visual Studio DSM Project Microsoft Corporation
105 .LE - Le Mac OS X Apple, Inc.
106 .LED - Sony AIBO AIBO LED File Format N/A
107 .LEF - LEN Exchange Format N/A
108 .LEG - LEGOCAD Davis Creek Elementary School
109 .LEGAL - DaveTech Legal Document DaveTech
110 .LEI - Leica SP1 Image Session N/A
111 .LEMON - LemonShare.net Download Format LemonShare.net
112 .LENS - Autodesk Stitcher Camera Profile Autodesk, Inc.
113 .LEP - Label And Envelope Designer Plus 2000 CAM Development
114 .LESS - LESS Style Sheet Format Alexis Sellier
115 .LET - Nuke Randomic Life Generator N/A
116 .LETTER - Undeliverable Mail Format N/A
117 .LEV - Worms Map Team17 Software Limited
118 .LEX - Adobe Linguistic Library Data Format Adobe Systems
119 .LF - SoftwareKey License SoftwareKey
120 .LFA - Life Forms Credo Interactive Inc.
121 .LFE - LFClient Document Laserfiche
122 .LFF - LucasFilm Format Image Format N/A
123 .LFM - LifeForm Format Credo Interactive Inc.
124 .LFO - Camel Audio Alchemy Preset Format Camel Audio
125 .LFP - IPRO View Database Format IPRO Tech
126 .LFS - Samsung Test Picture Image Format Samsung
127 .LFT - ChiWriter Laser Printer Font Cay Horstmann
128 .LG0 - IBM Tivoli Monitoring Log IBM
129 .LG1 - IBM Tivoli Monitoring Log Backup IBM
130 .LG2 - HotMux Thermocouple Data Log DCC Corporation
131 .LGA - Microsoft Windows Application Log Microsoft Corporation
132 .LGB - QuickBooks Little Green Box Intuit Inc.
133 .LGC - SimpleK Database Format Prosystech
134 .LGD - Windows Application Log Microsoft Corporation
135 .LGF - Microsoft Windows Application Log Palmer Performance
136 .LGG - Microsoft Windows Application Log Microsoft Corporation
137 .LGH - HMI Historical Log Format N/A
138 .LGI - Multimedia Logic Format Softronics
139 .LGJ - Microsoft Windows Application Log Microsoft Corporation
140 .LGK - Microsoft Windows Application Log Microsoft Corporation
141 .LGL - LeechGet Download Queue Format LeechGet
142 .LGM - Microsoft Windows Application Log Microsoft Corporation
143 .LGN - Microsoft Windows Application Log Microsoft Corporation
144 .LGO - Logo Instructions Format Softronics
145 .LGP - Final Fantasy Game Archive Format Square Enix
146 .LGQ - Microsoft Windows Application Log Microsoft Corporation
147 .LGR - Microsoft Windows Application Log Microsoft Corporation
148 .LGS - Microsoft Windows Application Log Microsoft Corporation
149 .LGT - Urban Chaos Game Eidos Interactive Ltd.
150 .LGV - Debugging Tools For Windows Logger Log Microsoft Corporation
151 .LGW - ANSYS ANSYS Inc.
152 .LGZ - Windows Application Log Microsoft Corporation
153 .LHA - LH ARC Compressed Archive N/A
154 .LHARC - LH ARC Compressed Archive Ivan Zahariev
155 .LHR - Quicken Financial Life For Mac Financial Data Format Intuit
156 .LHS - Literate Haskell Programming Language Source Code Format N/A
157 .LHW - LHWarp Compressed Amiga Archive Jonathan Forbes
158 .LHX - LineTracker Firmware Upgrade GridSense
159 .LHZ - LHA Compressed File Archive N/A
160 .LI3D - BeLight Live Interior 3D Design Format BeLight Software
161 .LIA - P-CAD Schematics Library Altium Limited.
162 .LIB - Microsoft Linker Input Library Format N/A
163 .LIB4D - Cinema 4D Library MAXON Computer GmbH
164 .LIBRARY - CATIA Library Dassault Systèmes S.A.
165 .LIBRARY-MS - Microsoft Windows 7 Library Description Format Microsoft
166 .LIC - Unix Software License Format N/A
167 .LICENSEKEY - Coriolis IPartition License Information Format Coriolis Systems
168 .LICENSES - Microsoft Visual Studio Licensed Classes Format Microsoft
169 .LICKEY - AVS4YOU License Key Online Media Technologies Ltd.
170 .LICRYPT - Encrypted N/A
171 .LICX - Microsoft Visual Studio License Format Microsoft
172 .LID - Quicken 2002 Deluxe Format Intuit Inc.
173 .LIF - Compressed Format Archive (CA-Clipper Installer) Leica Microsystems
174 .LIFE - LIGHT Format Light of Creativity
175 .LIG - INet-Server Teldas GmbH
176 .LIGHTWAVE - Lightwave 3D Layered Object NewTek, Inc.
177 .LIK - Trojan.Win32.Agent.lik N/A
178 .LILY - PCSX2 LilyPad Configuration Format The PCSX2 Team
179 .LIN - AutoCAD Linetype Definition Autodesk
180 .LINK - Apple IPod Link Format N/A
181 .LINUX - Linux Various Linux developers
182 .LINX - Bridge Base Format N/A
183 .LIP - SLIP Format Format Grolimund & Partner
184 .LIQUID - Shopify Liquid Template N/A
185 .LIR - ADI Ocelot Settings Applied Digital
186 .LIS - Structured Query Reporting Output Format N/A
187 .LISP - LISP Translators Format N/A
188 .LIST - JAR Index Format Oracle
189 .LIT - Microsoft Reader EBook Format Microsoft
190 .LITEMOD - Minecraft Mod Mumfrey
191 .LITTLE - Mozilla Firefox Start-up Cache Mozilla Corporation
192 .LIV - Living Actor Actor Cantoche
193 .LIVEREG - Symantec Livereg Antivirus Session Format Symantec
194 .LIVESUBSCRIBE - Symantec Antivirus Update Catalog N/A
195 .LIVEUPDATE - Symantec Liveupdate Format Symantec
196 .LIX - ExtendSim Library Format Logos Bible Software
197 .LIZD - BeLight Live Interior 3D Compressed Design Format BeLight Software
198 .LJP - Lossless JPEG Bitmap Image Format Joint Photographic Experts Group
199 .LK# - Autodesk Multi-user Coordination Lock Autodesk, Inc.
200 .LKG - HP-UX Configuration Hewlett-Packard Company
201 .LKH - Worm.Generic.LKH Virus N/A
202 .LKO - Microsoft Outlook Express Microsoft Corporation
203 .LKR - MPLAB Linker Microchip Technology Inc.
204 .LL - List & Label Preview Format Combit
205 .LLB - LabVIEW Application Program Library Format National Instruments
206 .LLC - LapLink Saved Connection Laplink Software
207 .LLM - Linden Lab Mesh Format Linden Research
208 .LLP - VersaPro Local Logic Block General Electric Company
209 .LLS - Windows System Microsoft Corporation
210 .LLT - Liquidity Lighthouse Transaction Format Liquidity Lighthouse
211 .LLV - Lizard Safeguard License LockLizard Limited
212 .LLX - LabVIEW Library Backup Format National Instruments
213 .LM4 - Steinberg VST Sample N/A
214 .LMA - Learning Mobile Author (LMA) Project Hot Lava Software
215 .LMBS - Adobe Photoshop For Mac Filter Adobe Systems Incorporated
216 .LMD - Abbyy Finereader Sprint ABBYY
217 .LMF - Library Mapping And Altera Data Interchange Cadence Design Systems, Inc.
218 .LMG - CryENGINE Locomotion Group Animation CRYTEK
219 .LMH - Memory Hacking Software Memory L.Spiro
220 .LMK - Sothink Logo Maker Logo Format SourceTec Software
221 .LMLPACK - Kashmir 3D Link SUGIMOTO Tomohiko
222 .LMP - Doom Recorded Demo id Software LLC
223 .LMR - QuickBooks Loan Manager Data Intuit Inc.
224 .LMS - Light-O-Rama Musical Sequence Format Light-O-Rama
225 .LMT - RPG Maker 2000/2003 Map Tree Enterbrain, Inc.
226 .LMU - RPG Maker Map Format Enterbrain
227 .LMV - Adobe Flash Source Code Adobe Systems Incorporated
228 .LMX - Nokia Landmark Exchange Format Nokia
229 .LN - UNIX Lint IBM
230 .LNA - Xilinx ISE Xilinx, Inc.
231 .LNC - Football Manager Player Sports Interactive
232 .LND - 3D Landscape Data Upperspace
233 .LNF - Oyoaha Lookandfeel Interface Elements Philippe Blanc
234 .LNG - Language Definition Format N/A
235 .LNGX - KeePaas Language Dominik Reichl
236 .LNK - Windows Shortcut Format Microsoft
237 .LNM - Corel WordPerfect SGML Alias Corel Corporation
238 .LNP - µVision Linker Input Format ARM Holdings plc
239 .LNS - AVG Anti-Virus Language AVG Technologies (Grisoft)
240 .LNST - Adobe InDesign Format Adobe Systems
241 .LNT - PC-lint Configuration Format Gimpel Software
242 .LNX - Atari Lynx ROM Image Format N/A
243 .LNZ - Petz Linez Ubisoft Entertainment S.A.
244 .LO - Interleaf Compiled Lisp Format BroadVision
245 .LOADERBACKUP - BlackBerry Backup BlackBerry (Research In Motion Limited)
246 .LOADERS - GTK+ Loaders Format N/A
247 .LOADTEST - Microsoft Visual Studio Load Test Microsoft Corporation
248 .LOB - IBM DB2 LOBFILE IBM
249 .LOC - Localisation String Resource Header Format N/A
250 .LOCAL - Delphi User-specific Project Options Embarcadero Technologies, Inc.
251 .LOCALIZED - MAC OS X Apple, Inc.
252 .LOCALSTORAGE - WebKit Local Storage Data Format The WebKit Open Source Project
253 .LOCALSTORAGE-JOURNAL - Google Chrome Rollback Journal Google Inc.
254 .LOCK - Lock Format N/A
255 .LOCK3 - BlackBerry Encrypted 3GP BlackBerry (Research In Motion Limited)
256 .LOCKFILE - Mac OS X Lion Property List XML Lock Format Apple
257 .LOCK_SYNC - Synchronization Lock Apple, Inc.
258 .LOD - Homeworld Level Of Detail Format Relic Entertainment Inc.
259 .LOF - Audacity File List Audacity
260 .LOG - Log Format N/A
261 .LOG1 - Microsoft Windows Registry Hive Log Format Microsoft
262 .LOG2 - Microsoft Windows Registry Hive Log 2 Format Microsoft
263 .LOGIC - Apple Logic Pro Music Project Format Apple
264 .LOGIKCS - Apple Logic Key Commands Apple, Inc.
265 .LOGIN - UNIX Command The Open Group
266 .LOGONVISTA - Stardock LogonStudio Windows Vista Logon Screen Format Stardock
267 .LOGONXP - LogonStudio Document Format Stardock
268 .LOK - W32/Rbot-WE Log N/A
269 .LOL - Lolcode Source Format Adam Lindsay
270 .LOLS - LOLCODE Source Code N/A
271 .LON - Aquaterra Profile Data CGS plus
272 .LOOK - SpeedGrade Look Format Adobe Systems
273 .LOOP - Apple Soundtrack Pro Apple, Inc.
274 .LOOV - Smadav Virus Definitions Format Smadsoft
275 .LOP - MasterCook Layout Format ValuSoft
276 .LOS - Close Combat 2 Map Related Atomic Games, Inc.
277 .LOT - LaTex Auxiliary File For List Of Tables LaTeX Project Development Team
278 .LOV - SAP Business Objects SAP AG
279 .LOVE - LÖVE Game Package Format LÖVE
280 .LO_ - Microsoft System Management Server Renamed Old Log Microsoft Corporation
281 .LP - Lightscape 3D Object Format Autodesk
282 .LP2 - ILEAP Word Processor Document Format C-DAC
283 .LP4 - 36-Image Converter Encrypted Language Pack UIC Phoenxsoftware
284 .LP7 - LP7Signer Digital Signed Format Lex Persona
285 .LPA - LPA View Laser Particle Analyser MP Filtri UK Ltd
286 .LPAQ8 - PAQ Data Archive N/A
287 .LPB - LaserTank Game Replay Format JEK Software
288 .LPD - Lookout Protocol Driver Format National Instruments
289 .LPDB - Librarian Pro Database Format Koingo Software
290 .LPDF - Mac OS X Localized PDF (Portable Document Format) Format Apple
291 .LPF - Orgadata LogiKal Orgadata AG
292 .LPI - Free Pascal Lazarus Project Information http://www.lazarus.freepascal.org/
293 .LPK - ArcGIS Layer Package Format ESRI
294 .LPMD - Las Palmeras Molecular Dynamics (LPMD) Data Format LPMD
295 .LPN - LVPLAN SYSTEMS EUROPE sa/nv
296 .LPP - LabelPrint Project Format CyberLink
297 .LPR - Homeworld Relic Entertainment Inc.
298 .LPROJ - Mac OS X Localized Project Folder Format N/A
299 .LPS - Bryce Leaf Shape Format DAZ Productions
300 .LPT - LogPlot Compiled Boring Log N/A
301 .LPU - Passolo Localization Project SDL
302 .LPW - IRIS Laserform Lforms IRIS
303 .LPX - LaTeXPiX Script Nick Van Beurden
304 .LQF - LeechFTP Save Queue Jan Debis
305 .LQR - SQ Compressed LBR Archive N/A
306 .LQT - Liquid Audio Liquid Digital Media Music File Format Liquid Digital Media
307 .LR - Chaos Desktop Layer List Adtollo
308 .LRC - Lyric Format N/A
309 .LRCAT - Adobe Lightroom Catalog Format Adobe Systems
310 .LRCAT-JOURNAL - Adobe Photoshop Lightroom Adobe Systems Incorporated
311 .LRD - Microsoft Money Lock Microsoft Corporation
312 .LRDATA - Adobe Lightroom Preview Data Adobe Systems
313 .LRDB - Photoshop Lightroom Database Adobe Systems
314 .LREC - Inter-Tel Web Conference Recording Format Inter-Tel
315 .LRF - BBeB Ebook Format Sony
316 .LRG - Macromedia XRes Multi-resolution Bitmap N/A
317 .LRL - SmartWare Local Resource Library SmartWare Corporation
318 .LRM - Microsoft Encarta Class Server Learning Resource Microsoft Corporation
319 .LRN - Apple Chess User Data Apple, Inc.
320 .LRP - IBM Works For OS/2 Report IBM
321 .LRPLUGIN - Adobe Photoshop Lightroom Plug-in Format Adobe Systems
322 .LRPREV - Adobe Photoshop Lightroom Index Adobe Systems Incorporated
323 .LRS - BBeB Ebook Source Format N/A
324 .LRSMCOL - Adobe Photoshop Lightroom Settings Format Adobe Systems
325 .LRTEMPLATE - Adobe Photoshop Lightroom Preset Settings Format Adobe Systems
326 .LRTOOLKIT - Adobe Photoshop Lightroom Adobe Systems Incorporated
327 .LRV - Low Resolution Video Format GoPro
328 .LRWEBENGINE - Lightroom Folder Adobe Systems
329 .LRX - BBeB Ebook Format Sony
330 .LRY - Konica Minolta Data Management Software Reference Data Konica Minolta Holdings, Inc.
331 .LS - LightWave LScript Format NewTek
332 .LS1 - Microsoft Winhelp Source Microsoft Corporation
333 .LS3 - Band-in-a-Box Style Format PG Music
334 .LS4 - Lumion Exported Full Scene Act-3D
335 .LSA - Lotus Designer Agent N/A
336 .LSAPROTOTYPE - Microsoft Visual Studio Logical Datacenter Diagram Toolbox Prototype Microsoft Corporation
337 .LSC - LOGO! Soft Comfort Siemens AG
338 .LSD - FIFA World Cup Game Data Environment Format EA Sports
339 .LSF - Advanced Streaming Format Logos Bible Software
340 .LSL - Corel Paradox Format Corel Corporation
341 .LSLIBRARY - Littlesnapper User Library Package Realmac Software Limited
342 .LSM - Ziess LSM Model Carl Zeiss AG
343 .LSN - Microsoft Works Format Microsoft
344 .LSO - Apple Logic Song Format Apple
345 .LSP - LISP Source Code Format N/A
346 .LSPROJ - Visual Studio LightSwitch Project Microsoft
347 .LSQ - IBM Voice Type Languages Addword IBM
348 .LSR - LANsurveyor Report Format N/A
349 .LSS - LotusScript Source Code IBM
350 .LST - List Text Format N/A
351 .LSTX - E-Sword Verse List Rick Meyers
352 .LSU - LANsurveyor Map Format N/A
353 .LSV - Light-O-Rama Sequence Editor Visual Preference Light-O-Rama
354 .LSW - RPG Maker Saved Game Format Enterbrain
355 .LSX - Advanced Streaming Redirector Format Microsoft
356 .LSZ - Learning Score Zip Tribal
357 .LS_ - Unix Ls Directory The Open Group
358 .LT2 - Poser Light Set Format Smith Micro
359 .LTA - Monolith Lithtech Game Engine Monolith Productions, Inc.
360 .LTB - Amma Little Setup Builder Amma Software
361 .LTC - LTC Syntactically Analyzed Text Ulrik Sandborg-Petersen
362 .LTCX - LTC Syntactically Analyzed Text XML Ulrik Sandborg-Petersen
363 .LTD - LivingTime Data Lifescope, Inc.
364 .LTF - Frogans Short-cut Format Laser App Software
365 .LTG - LaserTank Graphics Format JEK Software
366 .LTH - Roxio Label Creator Style Roxio
367 .LTKEY - LeaderTask Key Almeza Company
368 .LTL - DIALux Luminaire Data DIAL GMBH
369 .LTM - IBM Lotus Forms Form IBM
370 .LTR - Letter Format N/A
371 .LTS - Links Email Tourney Microsoft Studios
372 .LTT - HP Library And Tape Tools Log N/A
373 .LTX - S.T.A.L.K.E.R. Game Format N/A
374 .LTZ - Poser Compressed Light Set Format Smith Micro
375 .LUA - Lua Script Format N/A
376 .LUAC - Lua Compiled Source Code N/A
377 .LUAR - UltraDefrag Lua Report UltraDefrag Development Team
378 .LUCA - Luca Template N/A
379 .LUCS - Amaya Tools W3C
380 .LUD - CARE-S InfoWorks Land Use SINTEF
381 .LUE - Norton LiveUpdate Log Format Symantec
382 .LUF - Lipikar Uniform Format Lipikar
383 .LUG - Game N/A
384 .LUM - Luminous Song List Kevin Chong
385 .LUT - XnView Lut Format Pierre-Emmanuel Gougelet
386 .LUTX - RadioRA Essentials Database Format Lutron Electronics
387 .LUV - Medieval 2 Total War Sega Corporation
388 .LUXB - Lux Delux Map Format Sillysoft
389 .LUZ - Spectramap Coloritto BV
390 .LV6 - Return To Wonderland Level Midnight Synergy
391 .LVA - Logitech Video Effects Avatar Format Logitech
392 .LVB - Outlaws Game LucasArts Entertainment Company, LLC
393 .LVCLASS - LabVIEW Class Library National Instruments Corporation
394 .LVD - LabelPro Design Document Avery Dennison Corporation
395 .LVF - Logitech Video Effects Avatar And Face Accessory Logitech
396 .LVIVT - Lvivtotoro Game Format Lvivtotoro
397 .LVIX - Lightworks Video Index EditShare
398 .LVL - Game Level Format N/A
399 .LVLIB - LabVIEW Project Library National Instruments Corporation
400 .LVLIBP - LabVIEW Packed Project Library National Instruments Corporation
401 .LVLPS - LabVIEW Local Project Settings National Instruments Corporation
402 .LVM - LabVIEW Measurement Format National Instruments
403 .LVP - Avaya Voice Player Compressed Voice Audio Avaya
404 .LVR - Microsoft Visual Studio Environment Snapshot Microsoft Corporation
405 .LVW - Livewire Document Format New Wave Concepts
406 .LW - LightWave 3D Binary NewTek, Inc.
407 .LW2 - Lightwright Show Data John McKernon Software
408 .LW3 - Lightwright Data John McKernon Software
409 .LW4 - Lightwright 4 Show Data Format John McKernon Software
410 .LW5 - Lightwright Show Data John McKernon Software
411 .LWA - Lightwright Automated Action John McKernon Software
412 .LWAC - Likno Web Accordion Builder Likno Software Inc.
413 .LWBM - Likno Web Button Maker Likno Software Inc.
414 .LWC - Legacy Charting Chart Millennia Corporation
415 .LWD - LotusWorks Text Document N/A
416 .LWF - LuraWave Format Image Format N/A
417 .LWFN - Adobe Type 1 Font Adobe Systems
418 .LWI - Light Work Image Image Format N/A
419 .LWK - Siemens NX Software Graphics Siemens Product Lifecycle Management Software Inc.
420 .LWL - Lightwright Printed Paperwork Formatting Instructions John McKernon Software
421 .LWLO - LightWave Layered Object NewTek, Inc.
422 .LWM - LittleWays Map Harald-René Flasch
423 .LWMW - Likno Web Modal Windows Builder Likno Software Inc.
424 .LWO - LightWave Object Format NewTek
425 .LWOB - LightWave 3D Object NewTek, Inc.
426 .LWP - Lotus Word Pro Document Format IBM
427 .LWPP - Live Wallpaper For Mac Desktop Theme SquidMelon
428 .LWQ - SWAT Lake Water Quality Input Grassland, Soil & Water Research Laboratory
429 .LWS - LightWave Scene Format NewTek
430 .LWT - Lightwright Attribute List John McKernon Software
431 .LWTB - Likno Web Tabs Builder Likno Software Inc.
432 .LWTP - LimeWire Theme Format LimeWire
433 .LWTT - Likno Web Tooltips Builder Likno Software Inc.
434 .LWV - Microsoft Linguistically Enhanced Sound Format Microsoft
435 .LWX - Lightwright Database John McKernon Software
436 .LWZ - LightWave 3D Plugin NewTek, Inc.
437 .LXA - Microsoft Speech Engines Lexicon Format Microsoft
438 .LXCP - LCARS X32 For Windows Color Profile Format LCARS x32
439 .LXD - EDictionary Reader Dictionary Data PPCLINK Mobile Software
440 .LXF - LEGO CAD Scene Format LEGO
441 .LXFML - LEGO Digital Designer XML Format LEGO
442 .LXK - COREX Lexicon Link-up N/A
443 .LXL - Luxology Modo Single-layer Mesh Presets Luxology LLC.
444 .LXO - Luxology Modo 302 3D Drawing Format Luxology
445 .LXSOPT - Liquid XML Studio Project Settings Format Liquid Technologies
446 .LXSPROJ - Liquid XML Studio Project Format Liquid Technologies
447 .LXT - S.T.A.L.K.E.R. GSC Game World
448 .LXV - Lexar Secure II Encrypted Archive Lexar Media, Inc.
449 .LY - LilyPond Music Score Format GNU
450 .LYC - BestIMAGE Compressed Drawing Format Stork Prints
451 .LYR - ArcView Layer Format ESRI
452 .LYS - DataCAD Layer Control DATACAD LLC.
453 .LYT - DESQview Format Adminsoft
454 .LYX - LyX Document Format LyX
455 .LZ - LZIP Compressed Archive Format Lzip
456 .LZC - Need For Speed Undercover Game Data Electronic Arts, Inc.
457 .LZF - Autodesk 3D Studio Max Lens Effect Flare Autodesk, Inc.
458 .LZH - LH ARC Compressed Archive Format N/A
459 .LZK - LoizziTimeControl Database BACAL software
460 .LZM - Slax Module Format Slax
461 .LZMA - 7-zip Compressed Format N/A
462 .LZMA86 - Archive N/A
463 .LZO - Lzop Archive Format N/A
464 .LZOP - LZOP Compressed Markus F.X.J. Oberhumer
465 .LZP - Law And Order 3: Justice Is Served Game Legacy Interactive
466 .LZS - Compressed File Archive N/A
467 .LZX - Amiga LZX Archive Format N/A