B1 File Documentation

Overview

Feature Value
File Format Type B1 Compressed Archive
MIME Type application/x-b1
Primary Use Data compression and archiving
Compression Algorithm LZMA (Lempel-Ziv-Markov chain algorithm)
Open Source Yes
Encryption Support Yes, AES-256 encryption
Maximum Archive Size Unlimited (Limited by the file system)
Split Archive Support Yes
Multi-Volume Archives Yes
Operating System Compatibility Windows, Linux, Mac OS X
File Extension .b1
Volume Spanning Yes
Metadata Support Yes
Unicode Filename Support Yes
Archive Comment Support Yes
Drag-and-Drop Interface Yes, in supporting applications
Archive Locking No
Repair Corrupted Archives Yes
Command Line Interface Yes, with B1 Free Archiver
Graphical User Interface Yes, with B1 Free Archiver
Archive Integrity Check Check integrity of archive files
Plugin Support No