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.B1 File Extension

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File TypeB1 Compressed Archive

DeveloperCatalina Group
4.0 (44 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryCompressed Files


This file is saved in a binary format, which requires a specific program to read its contents.


Compressed archive created by B1 Free Archiver, a free file compression utility; based off of the .LZMA format and uses an openly published format; can be opened with B1 Free Archiver to extract the original set of files.

Programs that open B1 files
Microsoft Windows LogoWindows
B1 Free Archiver
Mac OS X LogoMac
B1 Free Archiver
Linux LogoLinux
B1 Free Archiver
Android LogoAndroid
B1 Free Archiver
Updated 11/27/2012