| Abbreviation | Definition |
|---|---|
| LAB | Mailing labels (Q+E for MS Excel) |
| LAM | Streaming audio metafile (Netscape Media Player) |
| LAN | Erdas true color image Bitmap graphics file |
| LAN | Novell NetWare LAN (Local Area Network) Driver |
| LANDSAT | Bitmap graphics (EOSAT's Landsat Thematic Mapper data file) |
| LATEX | Text document (LaTeX) |
| LAY | Word chart layout (APPLAUSE) |
| LBG | Label generator data (dBASE IV) |
| LBL | Label (dBASE IV - Clipper 5 - dBFast) |
| LBM | Bitmap graphics (Amiga Interleaved Bitmap format) (Deluxe Paint) |
| LBM | Linear bitmap graphics (XLib) |
| LBO | dBASE IV Compiled label Object code |
| LBR | Compressed file archive (LU) |
| LBR | Display driver (Lotus 1-2-3) |
| LBR | Lotus Display driver file |
| LBR | LU Compressed file archive |
| LBT | Additional (FPT) label description file (FoxPro) |
| LBX | Main (DBF) label description file (FoxPro) |
| LCF | Linker Control File (Norton Guides compiler) |
| LCH | Chart (IBM Works for OS/2) |