| Extension | File Description |
| .SFE | Uncommon Files |
| .SFF | Game Files |
| .SFG | Uncommon Files |
| .SFH | Uncommon Files |
| .SFI | Uncommon Files |
| .SFJ | Uncommon Files |
| .SFK | Audio Files |
| .SFL | Audio Files |
| .SFM | Uncommon Files |
| .SFN | Uncommon Files |
| .SFO | Game Files |
| .SFP | Uncommon Files |
| .SFPACK | Uncommon Files |
| .SFQ | Uncommon Files |
| .SFQ?? | Uncommon Files |
| .SFR | Uncommon Files |
| .SFS | Compressed Files |
| .SFT | Uncommon Files |
| .SFU | Uncommon Files |
| .SFV | Misc Files |
| .SFVIDCAP | Video Files |
| .SFW | Raster Image Files |
| .SFX | Compressed Files |
| .SFY | Uncommon Files |
| .SFZ | Uncommon Files |
| .SG | Uncommon Files |
| .SG0 | Uncommon Files |
| .SG1 | Uncommon Files |
| .SG2 | Uncommon Files |
| .SG3 | Uncommon Files |
| .SG4 | Uncommon Files |
| .SG5 | Uncommon Files |
| .SG6 | Uncommon Files |
| .SG7 | Uncommon Files |
| .SG8 | Uncommon Files |
| .SG9 | Uncommon Files |
| .SGA | Game Files |
| .SGB | Game Files |
| .SGC | Uncommon Files |
| .SGCAP | Uncommon Files |
| .SGCDB | Uncommon Files |
| .SGCPO | Uncommon Files |
| .SGD | Uncommon Files |
| .SGDCT | Uncommon Files |
| .SGDK2 | Uncommon Files |
| .SGE | Uncommon Files |
| .SGEZT | Uncommon Files |
| .SGF | Uncommon Files |
| .SGG | Uncommon Files |
| .SGGLB | Uncommon Files |
| .SGH | Uncommon Files |
| .SGI | Raster Image Files |
| .SGIF | Uncommon Files |
| .SGJ | Uncommon Files |
| .SGK | Uncommon Files |
| .SGKBD | Uncommon Files |
| .SGL | Uncommon Files |
| .SGM | Game Files |
| .SGMAC | Uncommon Files |
| .SGML | Data Files |
| .SGN | Data Files |
| .SGNGL | Uncommon Files |
| .SGO | Uncommon Files |
| .SGP | Uncommon Files |
| .SGPGL | Uncommon Files |
| .SGPHN | Uncommon Files |
| .SGQ | Uncommon Files |
| .SGR | Game Files |
| .SGRD | Uncommon Files |
| .SGS | Uncommon Files |
| .SGSAV | Uncommon Files |
| .SGSTN | Uncommon Files |
| .SGSYS | Uncommon Files |
| .SGT | Settings Files |
| .SGU | Uncommon Files |
| Extension | File Description |
| .SGV | Uncommon Files |
| .SGVX | Uncommon Files |
| .SGW | Uncommon Files |
| .SGX | Uncommon Files |
| .SGXV | Uncommon Files |
| .SGY | Uncommon Files |
| .SGZ | Uncommon Files |
| .SH | Compressed Files |
| .SH0 | Uncommon Files |
| .SH1 | Uncommon Files |
| .SH2 | Uncommon Files |
| .SH3 | Uncommon Files |
| .SH3D | 3D Image Files |
| .SH4 | Uncommon Files |
| .SH5 | Uncommon Files |
| .SH6 | Uncommon Files |
| .SH7 | Uncommon Files |
| .SH8 | Uncommon Files |
| .SH9 | Uncommon Files |
| .SHA | Uncommon Files |
| .SHADER | Game Files |
| .SHADOW | Uncommon Files |
| .SHAK | Uncommon Files |
| .SHAPE | Uncommon Files |
| .SHAPES | Uncommon Files |
| .SHAPES1 | Uncommon Files |
| .SHAPES2 | Uncommon Files |
| .SHAPES3 | Uncommon Files |
| .shar | Compressed Files |
| .SHAREDVIEW | Uncommon Files |
| .SHB | Executable Files |
| .SHC | Data Files |
| .SHD | System Files |
| .SHE | Uncommon Files |
| .SHEET | Uncommon Files |
| .SHELL | Uncommon Files |
| .SHEPHERD | Uncommon Files |
| .SHF | Uncommon Files |
| .SHG | Raster Image Files |
| .SHGR | Uncommon Files |
| .SHH | Settings Files |
| .SHI | Uncommon Files |
| .SHIFTS | Uncommon Files |
| .SHINBO | Uncommon Files |
| .SHIP | Uncommon Files |
| .SHIPSECTIO | Uncommon Files |
| .SHIRAZ | Uncommon Files |
| .SHJ | Uncommon Files |
| .SHK | Compressed Files |
| .SHL | Uncommon Files |
| .SHM | Uncommon Files |
| .SHN | Audio Files |
| .SHO | Uncommon Files |
| .SHOOTER | Uncommon Files |
| .SHOP | Uncommon Files |
| .SHORTCUT | Misc Files |
| .SHOT | Uncommon Files |
| .SHOW | Uncommon Files |
| .SHP | 3D Image Files |
| .SHP2 | Uncommon Files |
| .SHQ | Uncommon Files |
| .SHR | Compressed Files |
| .SHRINK | Uncommon Files |
| .SHS | Misc Files |
| .SHT | Web Files |
| .SHTM | Web Files |
| .SHTML | Web Files |
| .SHTML3 | Uncommon Files |
| .SHU | Uncommon Files |
| .SHUTDOWN | Uncommon Files |
| .SHV | Misc Files |
| .SHW | Data Files |
| .SHWRE | Uncommon Files |
| .SHX | Data Files |
| .SHY | Encoded Files |
