| s04 | MicroStation Modification Site Resource File |
| s05 | MicroStation Modification Site Resource File |
| s06 | MicroStation Modification Site Resource File |
| s07 | MicroStation Modification Site Resource File |
| s08 | MicroStation Modification Site Resource File |
| s09 | MicroStation Modification Site Resource File |
| s10 | MicroStation Modification Site Resource File |
| s19 | Motorola S-record Data |
| s1p | EEsof Touchstone File |
| s1y | Yamaha EX5 Internal Performance Data |
| s2d | ADS S-parameter Data |
| s2p | EEsof Touchstone File |
| s2t | Scia Engineer to Tekla Converter Data |
| s32 | Motorola S-record Data |
| s3c | ContextCapture 3D Model Data |
| s3d | Shout3D 3D Scene |
| s3d | Simple 3D Object |
| s3db | SQLite 3 Database |
| s3p | EEsof Touchstone File |
| s4d | RIAM AVA Motion S4D Data |
| s4p | EEsof Touchstone File |
| s4pb | Nokia 108 Phonebook Data |
| s7d | Sony Ericsson S700i Phone Default Language |
| s7m | SAS Data Mining Database |
| s7s | Sony Ericsson S700i Phone Firmware |
| s8 | SIMUL8 Simulation |
| s85 | Sabre Airline Solutions Chart |
| s99 | MicroStation Modification Site Resource File |
| sa2 | SAS Access Descriptor |
| sa4 | STABCAL Data |
