| 1. | .mm | Text document (MultiMate Advantage II) ◊ Virtual reality world (Meme) |
| 2. | .mmc | Catalog file (Microsoft Clip Gallery 5.x) |
| 3. | .mmd | MacroModel Molecular Mechanics |
| 4. | .mme | Message in MIME format (RFC822) |
| 5. | .mmf | Mail message file (Microsoft Mail) ◊ Recipe catalog (Meal Master Format) |
| 6. | .mmg | Table or aggregate data file (Beyond 20/20) |
| 7. | .mml | Bulk mail file (MyMailList) |
| 8. | .mmm | Multimedia movie format (RIFF RMMP) (MacroMind Director 3.x) |
| 9. | .mmo | Memo writer file (RapidFile) |
| 10. | .mmod | MacroModel Molecular Mechanics |
Top 10 
Feedback