| Abbreviation | Definition |
|---|---|
| MWND | Middle-Ware Node |
| MWR | Monosyllabic Word Recognition |
| MWSS | Microsoft Windows Sound System |
| MWU | Multilingual Web Utilities |
| MWXP | Microsoft Windows XP |
| MXD | Multi Xml Documents |
| MXD | Multiple XML Documents |
| MXML | Macromedia Flex Markup Language |
| MyAdmin | My Administrator |
| MYDAS | Mobile Yield-Driven Ad Server |
| MYOB | Mind Your Own Buisness |
| MYOS | Make Your Own Software |
| MyPD | My Police Department (app) |
| MZ | Mark Zbikowski |
| NAB | Not A Bug |
| NAB | Notes Address Book |
| NAB | Novell Address Book |
| NACS | Nushi Advanced Chat Server |
| NADI | Nerve for Action Decision and Intelligence |
| NAI | Next Added Increment |