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?

A .B1 file is a B1 Compressed Archive file.

B1 is a compressed archive file format 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 a 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 and is open-source.

How to open B1 files

We have identified one B1 opener that is compatible with this specific type of B1 file.

Programs that open B1 Compressed Archive files

Last updated: March 17, 2022

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.

XZipXZipUser submitted
Microsoft Windows Media PlayerMicrosoft Windows Media PlayerUser submitted

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about B1 file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.