| srt | Skymap Data |
| srt0 | Nintendo Wii Texture Animation Data |
| srv | AQUA Disulphide Distance Restraints Violations Data |
| srx | SPARQL Query Results XML |
| ss | Ribbons Secondary Structure |
| ss | Sam Spade Script |
| ss0 | GameBoid Saved Slot Data |
| ss1 | Cygnus MK Data Logger Single Record |
| ss3 | SKM Power Tools PPE Table Information |
| ss4 | SwordSearcher Program Data |
| ss6 | SKM Power Tools SAB Table information |
| ssb | SwordSearcher Bible Data Module |
| ssc | Autodesk Land Desktop Stage Storage Curve Data |
| ssc | Autodesk Simulation Mechanical Surface Contact Data |
| ssc | Celestia Solar System Catalog |
| ssc | MediaShout Presentation Script |
| ssc | Scrippy Data |
| ssc | SSChart Page Layout |
| ssc | SwordSearcher Bible Data |
| ssc | Xaira Script |
| ssd | Base SAS Database |
| ssd | PaintTool SAI Data |
| ssd | Snagit Studio Design Data |
| ssd | Stardock WindowBlinds Skin Filelist |
| ssd | StatView DataSet Transfer |
| ssd01 | SAS Data Set |
| ssdf | Simple Structured Data Format File |
| ssdl | Sonicfire Pro Music |
| sse | StrataSearch Data File |
| sseq | Synclavier Sequence Data |
| ssf | Eventcorder Screenshots Data |
| ssf | Smokeview Script Data |
| ssf | Snagit Studio Data |
| ssf | Strand 300 Lighting Console Show Data |
| ssfn | Steam Guard Data |
