| Abbreviation | Definition |
|---|---|
| DSP | Dynamic Studio Professional Module (Dynamic Studio) |
| DSP | Project (MS Developer Studio) |
| DSQ | Query file (Corel) |
| DSR | Digital Satellite Rip |
| DSR | Driver Resource (WordPerfect for Win) |
| DSS | Screensaver file (DCC) |
| DSS | Sound (Digital Soup) |
| DST | WAIN (Scanner spec) data source DLL (Win) |
| DSW | Microsoft Developer Studio Project Workspace |
| DT | Data fork of a Macintosh file (Mac-ette) |
| DTA | Data file (Turbo Pascal - PC-File - Stata) |
| DTF | Database file (PFS - Q&A) |
| DTL | Document Type Language |
| DTP | PageMagic, Publish-It!, or Publisher3 Publication file |
| DVC | Data (Lotus 1-2-3) |
| DVI | Digital Video Interactive movie |
| DVI | Text document (TeX Device Independent File Format) (TeX) |
| DVP | Device parameter file (AutoCAD) |
| DVP | Program information file (DESQview) |
| DVR | Digital Voice Recorder |