| Расширение | Форматы | К-ство форматов |
|---|---|---|
| sav | Saved game file | 1 |
| sb | Signed byte (8-bit) data | 1 |
| sch | P-CAD (Altium Designer) Schematic File, EAGLE Schematics File, OrCAD Schematic File | 3 |
| scm | ScreenCam Screen Recording, StarCraft Map File, GIMP Script-Fu Script, CLEO Compiled Script | 4 |
| scr | Script File | 1 |
| script | Generic Script File | 1 |
| scs | SCS Software Game File, SimCity Societies Saved Game File | 2 |
| sdf | Standard Data Format File, SQL Server Compact Database File | 2 |
| sdr | SmartDraw Drawing | 1 |
| sds | MIDI Sample Dump File, Open Office Chart, SDS Apps Data File | 3 |
| sfb | PlayStation 3 Disc Data file, Hewlett Packard printer’s Soft Fonts | 2 |
| sff | M.U.G.E.N. Sprite File, Structured Fax Format image, Standard Flowgram Format File | 3 |
| sfo | PSP Game Parameters File, CuteFTP Search File | 2 |
| sfv | Simple File Verification File | 1 |
| sfw | Seattle FilmWorks Image | 1 |
| sfx | Self-extracting compressed archive file | 1 |
| shs | Shell Scrap Object File | 1 |
| shx | AutoCAD Compiled Shape File, ArcView Index Shapefile, Motorola Flash Superfile | 3 |
| sib | Sibelius Score | 1 |
| sid | LizardTech MrSID image file format | 1 |