| .sld |
AutoCAD Slide File |
| .sff |
M.U.G.E.N. Sprite File |
| .sai |
PaintTool SAI Image |
| .sfw |
Seattle FilmWorks Image |
| .sgi |
Silicon Graphics Image File |
| .shg |
Segmented Hyper-Graphic |
| .sun |
Sun Raster Graphic File |
| .sva |
Manga Browser Comic File |
| .sumo |
Sumo Paint Image |
| .skypeemoticonset |
Skype Emoticon Set File |
| .svm |
StarView Metafile |
| .sci |
Scilab Script |
| .spiff |
Still Picture Interchange File Format |
| .scp |
ColoRIX Bitmap Graphic File |
| .scu |
ColoRIX Bitmap Image |
| .spu |
Spectrum 512 Image |
| .suniff |
Sun TAAC Image |
| .sr |
Sun Raster Image File |
| .sob |
OpenOffice.org Impress Bimap Styles File |
| .sep |
Separated Image File |
| .tiff |
Tagged Image File Format |
| .tga |
Targa Graphic |
| .tif |
Tagged Image File |
| .tex |
LaTeX Source Document |