| 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 | PrintView RAW Text |
| dpv | Siemens NX Drafting Standard |
| dpx | Vasco Digipass Data |
| dpy | IR Prognosis Client Display Document |
| dpz | IBM SPSS Deployment Package |
| dqa | Daqarta Data File |
| dqb | D-PAS Portfolio Manager Data |
| dqc | CP/M Disk Information Data |
| dql | DataEase Database |
| dqr | FIU-IND Data Quality Report |
| dr | My Dark Diary Backup Data |
| 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 |
| drc | OMA DRM Rights Object WebXML |
