| Extension |
Meaning / Link |
| .L |
LEX Program File,
Link Instructions, LISP Program File |
| .LAB |
Mailing Labels
(various) |
| .LAT |
Crossword
Express Lattice File |
| .LAY |
Applause Word Chart
Layout |
| .LBG |
dBase
IV Label Generator |
| .LBL |
Labels (various) |
| .LBM |
Deluxe Paint Bitmap
Graphic |
| .LBO |
dBase
IV Ordered Labels |
| .LBR |
Compressed Archive
File, Lotus 1-2-3 Display Driver,
Omnis7 Application File |
| .LBS |
Omnis Studio
Application File |
| .LBT |
Foxpro
Label Memo |
| .LBX |
Foxpro
Label |
| .LCF |
Linker Control File |
| .LCK |
MS
Frontpage-related File, Adobe
Pagemaker Database File |
| .LCN |
WordPerfect
Dictionary File |
| .LD |
Telix Long Distance
Codes |
| .LD1 |
dBase
Overlay File |
| .LDB |
MS
Access Lock File, TrueVector Log Database |
| .LDF |
LuraDocument File |
| .LDL |
Corel
Paradox Delivered Library |
| .LEG |
Legacy Graphic
Format |
| .LES |
Learn Lesson File,
Logitech Entertainment Game Profile |
| .LET |
Letter |
| .LEV |
NetHack Level File,
Worms Game Map |
| .LEX |
Lexicon (dictionary
file) |
| .LFT |
Chiwriter Laser
Printer Font, 3D Studio Loft
File |
| .LGC |
Program Use Log File
(for Windows Optimization) |
| .LGO |
MS Windows Logo
Driver |
| .LGT |
Urban Chaos Game
File |
| .LHA |
Compressed Archive
File (LZH) |
| .LHS |
Literate Haskell
Source File |
| .LHW |
Compressed Amiga
Archive File |
| .LHZ |
LHA Compressed
Archive File |
| .LIB |
Program Library
(diverse programming languages) |
| .LIC |
License File
(various Shareware) |
| .LIF |
Compressed Archive
File, HP Logical Interchange Format File |
| .LIN |
AutoCAD
Line Art |
| .LIS |
Program Listing,
Structured Query Reporting (SQR) Output |
| .LIT |
MS
Reader EBook File |
| .LJ |
Text File for HP LJ
II Printer |
| .LKO |
MS
Outlook Express Linked Object |
| .LL3 |
LapLink
III Document File |
| .LLC |
LapLink
Saved Connection File |
| .LLX |
Laplink
Exchange Agent |
| .LM8 |
Picture File |
| .LMD |
Tune
Smithy List of Modes for a Musical Scale |
| .LND |
3D
Landscape Data |
| .LNK |
Linker File, Windows
Shortcut File |
| .LOG |
Log File (many
different programs) |
| .LOK |
FileWrangler/ZipWrangler/SecurDesk!
Encrypted Archive |
| .LP |
LP88 Linear
Programming for the IBM-PC File |
| .LPB |
LP88 Linear
Programming for the IBM-PC File |
| .LPD |
Helix
Nuts and Bolts File (Helix Software now part of McAfee) |
| .LRC |
Intel Video Phone
File |
| .LRF |
Linker Response File |
| .LRS |
WordPerfect
Language Resource File |
| .LSC |
Tune
Smithy List of Muscial Scales |
| .LSF |
Streaming
Audio/Video File |
| .LSL |
Corel
Paradox Saved Library, Lotus
Script Library |
| .LSP |
LISP Program File |
| .LST |
Listing or List
(e.g., packing list), PowerPoint
File, Ingres Dump List
File, Oracle Spool File |
| .LSX |
Streaming
Audio/Video Shortcut |
| .LTM |
Lotus
Form |
| .LTR |
Letter |
| .LU |
ThoughtWing Library
Unit File |
| .LVL |
Parallax Miner Descent/D2
Level Extension |
| .LWF |
LuraWave-compressed
Graphic File |
| .LWP |
Lotus
Wordpro 96/97 File |
| .LWV |
MS Linguistically
Enhanced Sound File |
| .LYR |
DataCAD
Layer File |
| .LYT |
TurboTax
Log File |
| .LZH |
Compressed Archive
File |
| .LZS |
Compressed Archive
File, Skyroads Data File
|
| .LZW |
Compressed Amiga
Archive File |
| .LZX |
Compressed File |
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