B1 File Type- The quick facts
What are B1 files and how to open them
Are you having problems opening a B1 file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.
What is a B1 file?
The .b1 file extension is used for a compressed archive file format. This was developed by B1 Team for the B1 Archive Manager software, which is also known as B1 Free Archiver.This file compression tool can archive files and folders into B1 files using high compression ratio. These .b1 files may also be encrypted with 256-bit AES encryption standards.The B1 compressed archive file format was developed from an improved version of the LZMA compressed archive format. This .b1 file type is an open source archive format. To open .b1 files, just simply use the B1 Fre Archiver software.
How to open B1 files
Important: Different programs may use files with the B1 file extension for different purposes, so unless you are sure which format your B1 file is, you may need to try a few different programs.
While we have not verified the apps ourselves yet, our users have suggested 4 different B1 openers which you will find listed below.
Last updated: January 5, 2022
Suggest another file format using extension B1
While we know of one file format using the .B1 file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .B1 file.
Various apps that use files with this extension
These apps are known to open certain types of B1 files. Remember, different programs may use B1 files for different purposes, so you may need to try out a few of them to be able to open your specific file.