| Extension | File Description |
| .FCB | Uncommon Files |
| .FCG | Uncommon Files |
| .FCH | Uncommon Files |
| .FCHK | Uncommon Files |
| .FCI | Uncommon Files |
| .FCJ | Uncommon Files |
| .FCK | Uncommon Files |
| .FCN | Uncommon Files |
| .FCO | Uncommon Files |
| .FCQ | Uncommon Files |
| .FCR | Uncommon Files |
| .FCU | Uncommon Files |
| .FCV | Uncommon Files |
| .FCX | Uncommon Files |
| .FCY | Uncommon Files |
| .FCZ | Uncommon Files |
| .FD0 | Uncommon Files |
| .FD1 | Uncommon Files |
| .FD2 | Uncommon Files |
| .FD3 | Uncommon Files |
| .FD4 | Uncommon Files |
| .FD5 | Uncommon Files |
| .FD6 | Uncommon Files |
| .FD7 | Uncommon Files |
| .FD8 | Uncommon Files |
| .FD9 | Uncommon Files |
| .FDAT | Uncommon Files |
| .FDE | Uncommon Files |
| .FDG | Uncommon Files |
| .FDH | Uncommon Files |
| .FDJ | Uncommon Files |
| .FDK | Uncommon Files |
| .FDL | Uncommon Files |
| .FDN | Uncommon Files |
| .FDO | Uncommon Files |
| .FDPART | Uncommon Files |
| .FDQ | Uncommon Files |
| .FDU | Uncommon Files |
| .FDV | Uncommon Files |
| .FDW | Uncommon Files |
| .FDY | Uncommon Files |
| .FDZ | Uncommon Files |
| .FE0 | Uncommon Files |
| .FE1 | Uncommon Files |
| .FE2 | Uncommon Files |
| .FE3 | Uncommon Files |
| .FE4 | Uncommon Files |
| .FE5 | Uncommon Files |
| .FE6 | Uncommon Files |
| .FE7 | Uncommon Files |
| .FE8 | Uncommon Files |
| .FE9 | Uncommon Files |
| .FEA | Uncommon Files |
| .FEATURES | Uncommon Files |
| .FEB | Uncommon Files |
| .FEB94 | Uncommon Files |
| .FEC | Uncommon Files |
| .FED | Uncommon Files |
| .FEE | Uncommon Files |
| .FEED | Uncommon Files |
| .FEEL | Uncommon Files |
| .FEF | Uncommon Files |
| .FEG | Uncommon Files |
| .FEH | Uncommon Files |
| .FEI | Uncommon Files |
| .FEJ | Uncommon Files |
| .FEK | Uncommon Files |
| .FEL | Uncommon Files |
| .FEM | Uncommon Files |
| .FEN | Uncommon Files |
| .FENDER | Uncommon Files |
| .FENETRE | Uncommon Files |
| .FEO | Uncommon Files |
| .FEP | Uncommon Files |
| .FEQ | Uncommon Files |
| Extension | File Description |
| .FER | Uncommon Files |
| .FET | Uncommon Files |
| .FEU | Uncommon Files |
| .FEW | Uncommon Files |
| .FEX | Uncommon Files |
| .FEY | Uncommon Files |
| .FEZ | Uncommon Files |
| .FF0 | Uncommon Files |
| .FF1 | Uncommon Files |
| .FF2 | Uncommon Files |
| .FF3 | Uncommon Files |
| .FF4 | Uncommon Files |
| .FF5 | Uncommon Files |
| .FF6 | Uncommon Files |
| .FF7 | Uncommon Files |
| .FF8 | Uncommon Files |
| .FF9 | Uncommon Files |
| .FFB | Uncommon Files |
| .FFC | Uncommon Files |
| .FFDATA | Uncommon Files |
| .FFE | Uncommon Files |
| .FFFF | Uncommon Files |
| .FFG | Uncommon Files |
| .FFH | Uncommon Files |
| .FFI | Uncommon Files |
| .FFIVW | Uncommon Files |
| .FFJ | Uncommon Files |
| .FFK | Uncommon Files |
| .FFM | Uncommon Files |
| .FFN | Uncommon Files |
| .FFNA | Uncommon Files |
| .FFP | Uncommon Files |
| .FFQ | Uncommon Files |
| .FFR | Uncommon Files |
| .FFS | Uncommon Files |
| .FFU | Uncommon Files |
| .FFV | Uncommon Files |
| .FFW | Uncommon Files |
| .FFY | Uncommon Files |
| .FFZ | Uncommon Files |
| .FG0 | Uncommon Files |
| .FG1 | Uncommon Files |
| .FG2 | Uncommon Files |
| .FG3 | Uncommon Files |
| .FG4 | Uncommon Files |
| .FG6 | Uncommon Files |
| .FG7 | Uncommon Files |
| .FG8 | Uncommon Files |
| .FG9 | Uncommon Files |
| .FGA | Uncommon Files |
| .FGB | Uncommon Files |
| .FGC | Uncommon Files |
| .FGE | Uncommon Files |
| .FGF | Uncommon Files |
| .FGG | Uncommon Files |
| .FGH | Uncommon Files |
| .FGI | Uncommon Files |
| .FGJ | Uncommon Files |
| .FGK | Uncommon Files |
| .FGM | Uncommon Files |
| .FGN | Uncommon Files |
| .FGO | Uncommon Files |
| .FGP | Uncommon Files |
| .FGQ | Uncommon Files |
| .FGR | Uncommon Files |
| .FGS | Uncommon Files |
| .FGT | Uncommon Files |
| .FGU | Uncommon Files |
| .FGV | Uncommon Files |
| .FGW | Uncommon Files |
| .FGX | Uncommon Files |
| .FGY | Uncommon Files |
| .FGZ | Uncommon Files |
| .FH0 | Uncommon Files |
| .FH1 | Uncommon Files |
