| Abbreviation | Definition |
|---|---|
| MSR | Module Specific Register |
| MSS | Memory Stack Segment |
| MSS | Minimum Segment Size |
| MST | Meta System Transition |
| MSX | MicroSoft eXtended |
| MT | Marked Text |
| MT | Menu Text |
| MT | Monitor Type |
| MTA | Message Transfer Agent |
| MTA | Multi Threaded Architecture |
| MTBB | Mean Time Between Breakdowns |
| MTBF | Minutes To Backup Floppies |
| MTC | Midi Time Code |
| MTDA | Mean Time Data Availability |
| MTDB | Multimedia Tutorial Database |
| MTL | Matrix Template Library |
| MTM | Message Type Module |
| MTS | Memory Tracking System |
| MTS | Message Transfer System |
| MTTR | Multiple Timed Task Routing |