| .sitx |
StuffIt X Archive |
| .sh |
Bash Shell Script |
| .sit |
StuffIt Archive |
| .sqz |
Squeeze Project File |
| .sfx |
Windows Self-Extracting Archive |
| .sifz |
Synfig Studio Compressed Project |
| .spd |
Form·Z Suspended Render File |
| .sea |
Self-Extracting Archive |
| .sdc |
Stardock Central Download Archive |
| .s7z |
Mac OS X 7-Zip File |
| .sqx |
SQX Archive |
| .sar |
Sibelius Arrange Style |
| .shr |
Unix Shell Archive File |
| .s00 |
ZipSplitter Part 1 Archive |
| .s01 |
ZipSplitter Part 2 Archive |
| .s02 |
ZipSplitter Part 3 Archive |
| .sfs |
Kerbal Space Program Save File |
| .spt |
ESPL Programming File |
| .sen |
SenTest Data File |
| .sbx |
GLBasic Shoebox File |
| .stproj |
Samsung Theme Document |
| .smpf |
Sprite Monkey Project |
| .sdn |
Shareware Distributors Network File |
| .shar |
Unix Shar Archive |