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Home > Quick Reference > File Extensions

Data Formats and Their File Extensions -- L

Number Symbol A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Full List
.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)
.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)
	locking data file or (locking security file)
	IBM Works for OS/2 Filer Form 
	Microsoft SQL Server Transaction Log File 
.ldif	LDAP Data Interchange Format
.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 (
.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)
.lmt 	RPG Maker map tree file
.lnd	3D Landscape Data
.lng	Diablo II file
        NRG SDR Language file
.lnk    Linker response file (.RTLink)
.loc	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 File
        Avery Label Pro
.lpf	Lytec's Direct Electronic Medical Claims ClaimsDirect
.lpi	Live Pictures
.lpk 	Licensed ActiveX Control for Internet Explorer. 
.lrf    Linker response file (MS C/C++)
.lrs    Language Resource File (WordPerfect for Win)
.lse	Nokia Audio Manager
.lsf	Streaming Audio/Video file
        Libronix 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 Player
        LView 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 (
.lzw    Compressed Amiga file archive created by LHWARP
.lzx    Compressed file

Number Symbol A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Full List

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