| Abbreviation | Definition |
|---|---|
| MSN | Microsoft Network |
| MSN | Multiple Subscriber Number |
| MSN | My Social Network |
| MSNBC | MicroSoft Network Based on Cable. |
| MSNF | Multiple Systems Networking Facility |
| MSNP | Mobile Social Networking in Proximity |
| MSO | A Multiple Satellite Organization |
| MSP | Message Submission Program |
| MSRPC | Microsoft Remote Procedure Call |
| MSTG | Mobile Services Technology Gateway |
| MSTP | Multi-Service Transport Platform |
| MSTR | Multi-System Transmission Rate |
| MSTSC | MicroSoft Terminal Services Client |
| MSU | Message Signal Unit |
| MTCU | Message Transfer and Control Unit |
| MTH | Memory Translator Hub |
| MTL | MAC Transaction Layer |
| MTO | Massive Traffic Overload |
| MTOM | Message Transmision Optimization Mechanism |
| MTP | Mail Transfer Protocol |