| mpm | Blueice Multipass Data |
| mpm | Corel WordPerfect MathPlan Macro |
| mpp | MobileFrame Project Publisher Data |
| mpr | Autodesk AutoCAD Mass Properties Report |
| mpr | BibExcel MPR Data |
| mpr | FileMaker Pro Dictionary Data |
| mpr | Multilizer Dictionary Data |
| mpr | Multilizer PDF Translator Description Data |
| mpr | Music Publisher Backup File |
| mpr | woodWOP Data |
| mprv | Imperva SecureSphere Data |
| mpu | Mail.dat Mail Piece Unit File |
| mpud | MPViewer Data |
| mpv | Microsoft Project View Data |
| mpvd | MPViewer Data |
| mpvm | MPViewer Data |
| mpvuhpcp | CPXe Upload Control Data |
| mpw | Mapwel GPS Map |
| mpw | Microsoft Project Workspace Data |
| mpz | MADRIX 3 Compressed Patch |
| mpz | Moove Resource Description Data |
| mq | Microsoft Windows Message Queuing Data |
| mqb | Metasequoia Brush File |
| mqd | Malete Query Data File |
| mqm | Metasequoia Material File |
| mqo | Metasequoia Object File |
| mqp | Metasequoia Palette File |
| mqtbx | XTRF Terminology Database |
| mqu | GraphicUSB Capture Data |
| mqx | Malete Query Access File |
| mqxliff | memoQ XLIFF Data |
| mr | Mapped Read Format Data |
| mrd | Instron Series IX Test Data |
| mrd | Malete Record Data File |
| mrd | SILVERRUN RDM Database Schema |
