| Abbreviation | Definition |
|---|---|
| SFO | Bitstream font file - fontware format |
| SFP | Ventura Publisher Pcl 4 bitmap font - Portrait |
| SFS | Pcl 5 Scalable Font file |
| SFT | ChiWriter Screen font |
| SFW | Seattle Film Works Graphics file |
| SFX | Self-extracting Archive |
| SFX | Self-eXtracting file archive script |
| SG1 | Stanford Graphics Graphics file |
| SGD | Lahey Blackbeard Help file |
| SGF | Starwriter Graphics File |
| SGI | Silicon Graphics Image Bitmap graphics |
| SGM | Standard Generalized Markup Language SGML document |
| SGML | Standard Generalized Markup Language document |
| SGP | STATGRAPHICS Plus Statistics file |
| SGT | Save/ Get keyboard macro |
| SGX | Lahey Fortran Help file index |
| SH | SHell script |
| SH | Unix Shell Script |
| SH3 | Harvard Graphics 3.0 Presentation File |
| SHAR | SHell ARchive |