| dsim | Digital Simulator Data |
| dsk | Lotus Notes Design Elements Data |
| dsk | RAD Studio Saved Desktop |
| dskin | DockX Skin Data |
| dsku | Apple Mac OS X Disk Utility Data |
| dsl | ABBYY Lingvo Dictionary Structure Data |
| dsl | DSSSL Style Sheet |
| dsm | AQUA Generic Distance Restraints Summary Data |
| dsn | CD Stomper Pro Data |
| dsn | ISIS Schematic Capture Data |
| dsn | ODBC Data Source Name |
| dsn | SPECCTRA Design File |
| dsnwrk | Altium Designer Workspace Data |
| dso | DataFlex Data File |
| dso | DataFlex DataSet File |
| dso | DAZ Studio Object |
| dsp | DADiSP Command File |
| dspackage | Desktop Sidebar Package |
| dsq | DASYLab Worksheet References Data |
| dsq | Torque 3D Animation Data |
| dsr | ENVI Density Slice Range Data |
| dss | HEC-DSS Hydrologic Database |
| dss | Synology DiskStation Manager Configuration Backup |
| dss | WRAP Simulation Results Output Data |
| dssc | DSSC Data |
| dsslideshow | Desktop Sidebar Slideshow Panel |
| dst | Autodesk AutoCAD Sheet Set Data |
| dst | DeSmuME Saved State |
| dst | Tajima Embroidery Data |
| dsta | Keysight PLTS State Data |
| dstf | DigitalDreams Secure Data Transfer File |
| dstl | Adobe Acrobat Distiller Data |
| dstv | Tekla Structures NC File |
| dstyle | Magic Display Style Data |
| dsv | DAZ Studio Vertex Map |
