| Extension | File Description |
| .B84 | Uncommon Files |
| .B85 | Uncommon Files |
| .B86 | Uncommon Files |
| .B87 | Uncommon Files |
| .B88 | Uncommon Files |
| .B89 | Uncommon Files |
| .B8A | Uncommon Files |
| .B8B | Uncommon Files |
| .B8C | Uncommon Files |
| .B8D | Uncommon Files |
| .B8E | Uncommon Files |
| .B8F | Uncommon Files |
| .B8G | Uncommon Files |
| .B8H | Uncommon Files |
| .B8I | Uncommon Files |
| .B8J | Uncommon Files |
| .B8K | Uncommon Files |
| .B8L | Uncommon Files |
| .B8M | Uncommon Files |
| .B8N | Uncommon Files |
| .B8O | Uncommon Files |
| .B8P | Uncommon Files |
| .B8Q | Uncommon Files |
| .B8R | Uncommon Files |
| .B8S | Uncommon Files |
| .B8T | Uncommon Files |
| .B8U | Uncommon Files |
| .B8V | Uncommon Files |
| .B8W | Uncommon Files |
| .B8X | Uncommon Files |
| .B8Y | Uncommon Files |
| .B8Z | Uncommon Files |
| .B90 | Uncommon Files |
| .B91 | Uncommon Files |
| .B92 | Uncommon Files |
| .B93 | Uncommon Files |
| .B94 | Uncommon Files |
| .B95 | Uncommon Files |
| .B96 | Uncommon Files |
| .B97 | Uncommon Files |
| .B98 | Uncommon Files |
| .B99 | Uncommon Files |
| .B9A | Uncommon Files |
| .B9B | Uncommon Files |
| .B9C | Uncommon Files |
| .B9D | Uncommon Files |
| .B9E | Uncommon Files |
| .B9F | Uncommon Files |
| .B9G | Uncommon Files |
| .B9H | Uncommon Files |
| .B9I | Uncommon Files |
| .B9J | Uncommon Files |
| .B9K | Uncommon Files |
| .B9L | Uncommon Files |
| .B9M | Uncommon Files |
| .B9N | Uncommon Files |
| .B9O | Uncommon Files |
| .B9P | Uncommon Files |
| .B9Q | Uncommon Files |
| .B9R | Uncommon Files |
| .B9S | Uncommon Files |
| .B9T | Uncommon Files |
| .B9U | Uncommon Files |
| .B9V | Uncommon Files |
| .B9W | Uncommon Files |
| .B9X | Uncommon Files |
| .B9Y | Uncommon Files |
| .B9Z | Uncommon Files |
| .BA | Compressed Files |
| .BA$ | Uncommon Files |
| .BA0 | Uncommon Files |
| .BA1 | Uncommon Files |
| .BA2 | Uncommon Files |
| .BA3 | Uncommon Files |
| .BA4 | Uncommon Files |
| Extension | File Description |
| .BA5 | Uncommon Files |
| .BA6 | Uncommon Files |
| .BA7 | Uncommon Files |
| .BA8 | Uncommon Files |
| .BA9 | Uncommon Files |
| .BAA | Uncommon Files |
| .BAB | Uncommon Files |
| .BABAR | Uncommon Files |
| .BABER | Uncommon Files |
| .BAC | Backup Files |
| .BACH | Uncommon Files |
| .BACHTOLD | Uncommon Files |
| .BACK | Uncommon Files |
| .BACKGAMON | Uncommon Files |
| .BACKGRND | Uncommon Files |
| .BACKGROUND | Uncommon Files |
| .BACKPACK | Uncommon Files |
| .BACKUP | Uncommon Files |
| .BACLOOP7 | Uncommon Files |
| .BAD | Text Files |
| .BADONGO | Uncommon Files |
| .BAE | Uncommon Files |
| .BAF | Uncommon Files |
| .BAG | Uncommon Files |
| .BAH | Uncommon Files |
| .BAI | Uncommon Files |
| .BAJ | Uncommon Files |
| .BAK | Backup Files |
| .BAL | Uncommon Files |
| .BALANCE | Uncommon Files |
| .BALL | Uncommon Files |
| .BALL2 | Uncommon Files |
| .BAM | Uncommon Files |
| .BAN | Uncommon Files |
| .BAND | Audio Files |
| .BANGER | Uncommon Files |
| .BANJ | Uncommon Files |
| .BANK | Uncommon Files |
| .BANKSW | Uncommon Files |
| .BANNER | Uncommon Files |
| .BAO | Uncommon Files |
| .BAP | Uncommon Files |
| .BAQ | Uncommon Files |
| .BAR | Game Files |
| .BAS | Developer Files |
| .BAS2 | Uncommon Files |
| .BAS7 | Uncommon Files |
| .BASE | Uncommon Files |
| .bash | Uncommon Files |
| .BASIN | Uncommon Files |
| .BASKETBALL | Uncommon Files |
| .BASS | Uncommon Files |
| .BASS1 | Uncommon Files |
| .BASS2 | Uncommon Files |
| .BASSD | Uncommon Files |
| .BASSDRU2 | Uncommon Files |
| .BASSG | Uncommon Files |
| .BAT | Executable Files |
| .BATCH | Uncommon Files |
| .BATH | Uncommon Files |
| .BAU | Settings Files |
| .BAV | Plugin Files |
| .BAVANT | Uncommon Files |
| .BAW | Uncommon Files |
| .BAX | Uncommon Files |
| .BAY | Raster Image Files |
| .BAZ | Uncommon Files |
| .BB | Developer Files |
| .BB0 | Uncommon Files |
| .BB1 | Uncommon Files |
| .BB2 | Uncommon Files |
| .BB3 | Uncommon Files |
| .BB4 | Uncommon Files |
| .BB5 | Uncommon Files |
| .BB6 | Uncommon Files |
