| .4ui |
ForeUI Plot File |
| .adf |
ACT! Data File |
| .ao |
ActionOutline Outline File |
| .afp |
Advanced Function Presentation File |
| .ap |
Active Page |
| .adb |
Ada Body File |
| .avery |
Avery Design & Print Label File |
| .anh |
Project ROME File |
| .article |
Twixl Publisher Article |
| .av |
Video Surveillance File |
| .antmpl |
Adobe Edge Animate Template File |
| .book |
iBooks Author Document |
| .bcp |
BlackMagic Custom Palette |
| .biz |
Broderbund Business Card File |
| .bro |
Broadleaf Tree Model |
| .bcf |
Business Card Designer Pro File |
| .btw |
BarTender Label |
| .blk |
AutoCAD Block Template File |
| .booktemplate |
iBooks Author Document Template |
| .bpf |
Baan ERP Document |
| .bmml |
Balsamiq Mockups Markup Language File |
| .cdf |
Computable Document Format File |
| .cst |
Manga Studio Story File |
| .cdoc |
Encrypted DigiDoc File |