List of file formats beginning with L

• .L - Lex source code file; Lisp source code file; Linker directive file (WATCOM wlink)
• .L01 - ARC Digitized Raster Graphics
• .LAB - Datafile (NCSS - SOLO); Mailing labels (Q+E for MS Excel)Mailing labels (Q+E for MS Excel)
• .LAT - Crossword Express Lattice file
• .LAY - Word chart layout (APPLAUSE)
• .LBG - Label generator data (dBASE IV)
• .LBL - Label (dBASE IV - Clipper 5 - dBFast)
• .LBM - Bitmap graphics (DeluxePaint); Linear bitmap graphics (XLib)
• .LBO - Compiled label (dBASE IV)
• .LBR - Compressed file archive created by LU (lue220.arc); Display driver (Lotus 1-2-3)
• .LBT - Label memo (FoxPro)
• .LBX - Label (FoxPro)
• .LCF - Linker Control File (Norton Guides compiler)
• .LCK - Lockfile (Paradox)
• .LCL - Data (FTP Software PC/TCP)
• .LCN - Lection (WordPerfect)
• .LCS - Datafile (ACT! History Files)
• .LCW - Spreadsheet (Lucid 3-D)
• .LD - Long Distance codes file (Telix)
• .LD1 - Overlay file (dBASE)
• .LDB - Data (MS Access)
• .LDF - Library definition file (Geoworks Glue)
• .LEG - Legacy Graphic Format
• .LES - Lesson (check *.cbt)
• .LET - Letter
• .LEV - Level file (NetHack 3.x)
• .LEX - Lexicon (dictionary) (many)
• .LFA - LifeForm file
• .LFT - Laser printer font (ChiWriter)
• .LG - Logo procedure definitions (LSRHS Logo)
• .LGC - Program Use Log file
• .LGO - Logo for header and footer (SuperFax); Startup logo code (Windows 3.x)
• .LHA - Compressed file archive created by LHA/LHARC (lha255b.exe)
• .LHW - Compressed Amiga file archive created by LHWARP
• .LIB - Library file (several programming languages)
• .LIC - License file (Shareware)
• .LID - WinDVD file; Light Field Description file; Dylan Library Interchange Description; LabelVision Auto Incrementing Value file; Maple V Setup file; Scholar's Aid Backup file
• .LIF - Logical Interchange Format data file (Hewlett-Packard); Compressed file archive
• .LIM - Compressed file archive created by LIMIT (limit12.zip)
• .LIN - Line types (AutoCAD)
• .LIS - Listing (VAX)
• .LIT - MS Reader EBook file
• .LIX - Extend Simulation Library file; Libronix DLS Resource (LLS 2.x Index)
• .LJ - Text file for HP LJ II printer
• .LKO - MS Outlook Express Linked Object
• .LL3 - Laplink III related file (document) (LapLink III)

• .LND - 3D Landscape Data
• .LNG - Diablo II file; NRG SDR Language file
• .LNK - Linker response file (.RTLink)
• .LOC - Localisation string resource header file; EasyGPS TerraByte location file; MicroSim PCBoard component locations report; Suppose locations file
• .LOD - Load file
• .LOG - Log file
• .LOK - Encrypted and compressed archive format (FileWrangler, SecurDesk!, ZipWrangler)
• .LPC - Printer driver (TEKO)
• .LPD - Helix Nuts and Bolts FileAvery Label Pro
• .LPF - Lytec's Direct Electronic Medical Claims ClaimsDirect
• .LPI - Live Pictures
• .LRF - Linker response file (MS C/C++)
• .LRS - Language Resource File (WordPerfect for Win)
• .LSF - Streaming Audio/Video fileLibronix DLS Resource
• .LSL - Lotus Script Library
• .LSP - Lisp source code file (Xlisp)
• .LSS - Spreadsheet (Legato)
• .LST - Keyboard macro (1st Reader)List file (archive index - compiler listfile); Spool file (Oracle)
• .LTM - Form (Lotus Forms)
• .LTR - Letter
• .LVP - Lucent Voice PlayerLView Pro
• .LWA - LightWorks Archive Material/Scene file
• .LWD - Text document (LotusWorks)
• .LWO - NewTek Lightwave Object
• .LWP - Lotus Wordpro 96/97 File
• .LWZ - MS Linguistically Enhanced Sound file
• .LYR - DataCAD Layer file
• .LZD - Difference file for binaries (Ldiff 1.20)
• .LZH - Compressed file archive created by LHA/LHARC (lha255b.exe)
• .LZS - Compressed file archive created by LARC (larc333.zip)
• .LZW - Compressed Amiga file archive created by LHWARP
• .LZX - Compressed file