| Abbreviation | Definition |
|---|---|
| MDD | Multi Domed Daemon |
| MDDS | Mission Data Debrief Software |
| MDFE | Microsoft Defender For Endpoint |
| MDG | Microsoft Devices Group |
| MDH | Menu Debug Hardware |
| MDI | Microsoft Document Image |
| MDI | Multiple Document Interface |
| MDL | Microsoft Data Link |
| MDM | Machine Debug Manager |
| MDM | Model Duplicating Media |
| MDMA | Meter Data Management Agent |
| MDN | Message Delivery Notification |
| MDN | Mystro Digital Navigator |
| MDOP | Microsoft Desktop Optimization Pack |
| MDOP | Microsoft Desktop Optimization Pack for Software Assurance |
| MDOP | Microsoft Desktop Optimization Package |
| MDPS | Madras Developmental Programming System |
| MDR | Multifactor Dimensionality Reduction |
| MDS | Master Data Services |
| MDS | Microsoft Data Systems |