| .a1wish |
Audials Wishlist File |
| .azzx |
Uncompressed AZZ Cardfile Data File |
| .apxl |
Keynote Presentation Data File |
| .abt |
Annotated Braille Text File |
| .assetproj |
Camtasia Studio Asset Information File |
| .aae |
Sidecar Image Edit File |
| .alg |
AlgoBox Algorithm File |
| .amgp |
antimicro Profile File |
| .aiml |
Artificial Intelligence Markup Language File |
| .atsofts |
LetEncrypt Encrypted File |
| .book |
iBooks Author Document |
| .bmc |
Bitmap Cache File |
| .btsearch |
BitTorrent Search Engine File |
| .brain |
PersonalBrain Mind Map File |
| .bfg |
Big Fish Games Application File |
| .bbproject |
BBEdit Project File |
| .bafl |
BurnAware File List |
| .b4s |
Winamp Playlist File |
| .buildpath |
Eclipse Build Path File |
| .bmml |
Balsamiq Mockups Markup Language File |
| .bsxp |
BimSens Project Configuration File |
| .bsxc |
BimSens Component Configuration File |
| .bplx |
Bore Plan XML File |
| .bsg |
Besiege Machine File |