| dpr | Digital InterPlot Data |
| dprec | Drawpile Record Data |
| dprecz | Drawpile Compressed Record Data |
| dprep | Microsoft Azure Dataflow Preparation Data |
| dpsi | SUPPA Differential Splicing Data |
| dpsml | PSML Dynamic Page Definition |
| dpsx | Barfield DPS1000 User Interface Data |
| dpt | Desktop DNA Template |
| dptxt | Drawpile Text Record Data |
| dpu | Advanced DHTML Popup Package |
| dpv | Siemens NX Drafting Standard |
| dpy | IR Prognosis Client Display Document |
| dpz | IBM SPSS Deployment Package |
| dqa | Daqarta Data File |
| dqc | CP/M Disk Information Data |
| dql | DataEase Database |
| dqr | FIU-IND Data Quality Report |
| dr | OMA DRM Rights Object XML |
| dr1 | Nicolet 5DX Data |
| dr2 | Nicolet 5DX Data |
| dr3 | Nicolet 5DX Data |
| dr3d | CorelDream 3D Graphics Data |
| dr4 | Nicolet 5DX Data |
| dr5 | Nicolet 5DX Data |
| dra | Dragon Recorded Audio |
| drag | EdGCM Data |
| drb | Dr. Beam Pro Data |
| drc | AQUA Generic Distance Restraints Counts Data |
| drc | Cadence OrCAD Design Rules Check Report |
| drc | DriveCrypt Container |
