| .BC | BitComet Development Group | Sonstige Dateien | BitComet Partially Downloaded File | Adobe Bridge CC | Adobe Systems Incorporated |
| .BCM | Adobe Systems Incorporated | Textdateien | Adobe Bridge Cache File | Adobe Bridge CC | Adobe Systems Incorporated |
| .BCP | Blackmagic Design | Einstellungsdateien | BlackMagic Custom Palette | Adobe Photoshop | Adobe Systems Incorporated |
| .BCT | Adobe Systems Incorporated | Textdateien | Adobe Bridge Thumbnail Cache File | Adobe Bridge CC | Adobe Systems Incorporated |
| .BDL | Parametric Technology Corporation | CAD-Dateien | CoCreate Bundle File | Adobe Acrobat DC | Adobe Systems Incorporated |
| .BITMAP | Various Developers | Rasterbilddateien | Bitmap Image File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .BK | Adobe Systems Incorporated | Textdateien | FrameMaker Book File | Adobe FrameMaker | Adobe Systems Incorporated |
| .BLA | Adobe Systems Incorporated | Textdateien | Adobe Black Colour Separation Data | Adobe Creative Cloud | Adobe Systems Incorporated |
| .BLW | Adobe Systems Incorporated | Einstellungsdateien | Adobe Photoshop Black And White Presets File | Adobe Photoshop CC | Adobe Systems Incorporated |
| .BLZ | Nokia | Spieldateien | N-Gage Mobile Video Game File | Adobe Photoshop | Adobe Systems Incorporated |
| .BMP | Various Developers | Rasterbilddateien | Bitmap Image File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .BMZ | Valve | Spieldateien | Portal Bonus Map Zip File | Adobe Photoshop | Adobe Systems Incorporated |
| .BOOK | Adobe Systems Incorporated | Textdateien | FrameMaker Book File | Adobe FrameMaker | Adobe Systems Incorporated |
| .BPDX | Adobe Systems Incorporated | Sonstige Dateien | Acrobat Batch PDX File | Adobe Acrobat DC | Adobe Systems Incorporated |
| .BRIDGESORT | Adobe Systems Incorporated | Einstellungsdateien | Adobe Bridge Cabinet | Adobe Bridge CC | Adobe Systems Incorporated |
| .BRS | Adobe Systems Incorporated | Textdateien | RoboHelp Browse Sequence File | Adobe RoboHelp | Adobe Systems Incorporated |
| .BUC | Adobe Systems Incorporated | Backupdateien | Adobe Photoshop Elements Backup File | Adobe Photoshop Elements | Adobe Systems Incorporated |
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