| .btoa |
Binary-to-ASCII Encoding File |
| .brk |
Brooktrout Fax Document |
| .bgz |
Blood Frontier Map File |
| .bza |
IZArc BGA Archive |
| .bk2 |
Windows Indexing Service Data File |
| .btinstall |
uTorrent Installer File |
| .bmg |
Nintendo DS On-Screen Text File |
| .bbz |
BerryBuzz Backup File |
| .brlyt |
Wii Textures and Material Lists File |
| .bonk |
Bonk Audio File |
| .blockplt |
LEGO MINDSTORMS NXT Block Palette File |
| .bpz |
Easy Blue Print Symbol Library |
| .bridgecache |
Adobe Bridge Cache Export File |
| .breff |
Wii Effect Controls File |
| .breft |
Wii Effects File |
| .bsdiff |
BSDiff Patch File |
| .ba6 |
TaxAct 2016 Tax Return Backup File |
| .ba7 |
TaxAct 2016 Tax Return Backup File |
| .bak1 |
Starbound Backup File |
| .cer |
Internet Security Certificate |
| .cgi |
Common Gateway Interface Script |
| .cab |
Windows Cabinet File |
| .cbr |
Comic Book RAR Archive |
| .com |
DOS Command File |