| sf3 | Statgraphics Data |
| sf6 | StatGraphics Centurion Data |
| sf6 | Statgraphics Data |
| sf7 | SAS Consolidation Database |
| sfa | STAAD Foundation v7 Project |
| sfap0 | Sound Forge Audio Proxy |
| sfarr | SynthFont Arrangement Data |
| sfc | Microsoft Windows System File Check Data |
| sfc | SNES ROM Image SMC |
| sfcache | Microsoft Windows ReadyBoost File |
| sfd | Cognos Powerhouse Subfile Dictionary Data |
| sfd-hdstx | Hydrostatix Master Suite Data |
| sfera | Sfera 360 File |
| sff | SmartWare Screen Font Data |
| sff | Standard Flowgram Format Data |
| sff | WRAP Storage-Flow-Frequency Data |
| sfg | Sony ACID Pro Data |
| sfh | BESA MRI Surface Points Data |
| sfi | SafeFolder Encrypted File |
| sfj | TeamForge Journal Data |
| sfl | Verity Server Standard Fields File |
| sfm | DartPro 98 Audio Tree |
| sfm | S Memo Data Cache |
| sfo | CuteFTP Search |
| sfo | Sony PlayStation Settings Data |
| sfp | BESA EGI Surface Points Data |
| sfp | System File Protection Database |
| sfr | Mail.dat Special Fees File |
| sfr | MODFLOW Streamflow-Routing Package |
| sfrm | Bruker SFRM Data |
