File Type B1 Compressed Archive IconB1 Compressed Archive
File Format Standard (developed by Catalina Group)
Usage Open manually
Popularity ★ ★ ★ ★ ☆  Common

A B1 file is a compressed archive created by B1 Free Archiver. It contains data stored in an openly published file compression format. The original set of files stored in a B1 archive can be extracted with B1 Free Archiver.

Since the B1 format is open source, the capability to create or open B1 files can be integrated into any program. The B1 Pack software project provides a crossplatform command-line tool and a Java library for creating and extracting B1 file archives.

Info About Catalina Group B1 Free Archiver

B1 Free Archiver is a free multiplatform file compression utility. It can compress and decompress files in many standard compression formats, as well as the custom B1 archive format. The utility is available for Windows, Mac, Linux and Android devices.

Open With

IconB1 Free Archiver


IconB1 Free Archiver


IconB1 Free Archiver

Published January 25, 2014
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Information from the PC File Extensions Reference