| Abbreviation | Definition |
|---|---|
| MDT | Microsoft Access Add-in data |
| MDT | Microsoft ILink Data table |
| MDW | Workgroup information (MS Access) |
| MDX | Multiple index file (dBASE IV) |
| MDZ | Database wizard (MS Access) |
| MDZ | Description of music module (Cubic Player - Cross-View) |
| ME | Formatted manual page with ME macros |
| ME | MultiEdit configuration |
| ME | Read Me file - ASCII text |
| MEB | Macro Editor bottom overflow file (WordPerfect Library) |
| MEC | Maximus MECCA source file |
| MED | Macro Editor delete save (WordPerfect Library) |
| MED | Music format (Amiga MED/OctaMED) |
| MEM | Clarion Memos datafile |
| MEM | MEMory variable save file ( Clipper - dBASE IV - FoxPro) |
| MEM | WordPerfect Macro Editor macro |
| MENC | WINDOWS Mobile ENCrypted file |
| MEQ | Macro Editor print queue file (WordPerfect Library) |
| MER | Macro Editor resident area (WordPerfect Library) |
| MES | Message |