Having problems opening a B1 file?

We have programs that can open or convert your B1 files.

Opening B1 files

Did your computer fail to open a B1 file? We explain what B1 files are and recommend software that we know can open or convert your B1 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.

Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

About File Extension B1

File.org aims to be the go-to resource for file type- and related software information. We spend countless hours researching various file formats and software that can open, convert, create or otherwise work with those files.

If you have additional information about the B1 file format or software that uses files with the B1 suffix, please do get in touch - we would love hearing from you.