| dsn | SPECCTRA Design File |
| dso | DataFlex Data Set 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 |
| dsv | Microsoft SQL Server Data Source View |
| dsvx | Microvellum Door Wizard File |
| dsz | ZSK Embroidery Data |
| ds_store | Mac OS X Folder Settings |
| dt | PowerBASIC Data |
| dt | Proben1 Dataset |
| dt0 | DTED Level 0 Data |
| dt1 | DTED Level 1 Data |
