Files with b1 suffix can be mostly found as native compressed archives created using the B1 Archive Manager.

There are 2 other file types using
the B1 file extension!

empty icon.b1 - Cats Mah Jong Solitaire file

empty icon.b1 - VTrain data

Detailed description

Software that works with b1 file extension

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B1 file extension - B1 compressed archive

What is b1 file? How to open b1 files?

File type specification:

Archive and compressed file type icon Archive and compressed file type

b1 file icon: b1 filetype icon

File extension b1 is used for native file format of B1 Archive Manager. B1 is a backup and archive file format providing high compression ratio. 

The b1 file is a compressed archive created with B1 file compression utility.

Classic LZMA format has been improving for over a decade and resulted in B1 format, which is an open archive format (all code is open). Tools and libraries are also developed for more convenient work with B1 archives.

B1 archives can also feature the 256 bit AES encryption algorithm.

The default software associated to b1 file type:

B1 Free Archiver icon

B1 Free Archiver  Microsoft Windows software

Company or developer:
B1 Team

B1 Archive Manager is a new free file archiving utility available for Windows, Mac OS X, Linux and also for Android mobile platform. The program is still in development stage.

Help how to open B1 files:

Use B1 Archive Manager to work with the B1 archives.

How to convert file with extension B1:

You can probably repack B1 format in B1 Archive Manager.

Find conversions from b1 file:

b1 to rar

b1 to zip

Find converter to b1 file type:

zip to b1

List of software applications associated to the .b1 file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file
: like open b1 file, edit b1 file, convert b1 file, view b1 file, play b1 file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is ableto perform the specified software action, such as opening, editing or converting b1 files.

  • Open b1 file
  • Create b1 file
  • Extract b1 file

Software that open b1 file - B1 compressed archive

Click on the link to get more information about B1 Free Archiver for open b1 file action.

Microsoft Windows:

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