| .sty |
LaTeX style file |
| .scn |
OpenTTD Scenario File |
| .seq |
PowerTracks Pro Audio Project File |
| .svf |
Serial Vector Format File |
| .sqf |
ArmA Script File |
| .ssc |
StepMania Song File |
| .sfz |
Sampler Instrument File |
| .scala |
Scala Source Code File |
| .sce |
Scilab Script |
| .sgf |
Smart Game Format File |
| .scpresets |
Snap Converter Presets File |
| .sol |
Solidity Script |
| .sv |
SystemVerilog Source Code File |
| .segy |
SEG-Y Data File |
| .shtml |
Server Side Include HTML File |
| .sct |
Windows Scriptlet |
| .shtm |
HTML Server Side Include File |
| .sfv |
Simple File Verification File |
| .sub |
Subtitle File |
| .scd |
TurboTax Tax Schedule List |
| .sdw |
MrSID World File |
| .sqm |
Service Quality Monitoring File |
| .s |
Source Code File |
| .skr |
PGP Private Keyring |