.BZIP2

.BZIP2 file extension

This is the basic program to work with .BZIP2 extension

7-Zip

7-Zip bzip2 Archive

Based on the LZ77 algorithm, both LZMA and LZMA2 compression techniques provide an excellent data compression ratio. 7-Zip uses these compression methods to create archives in the 7z format protected with AES-256 encryption, though it supports any compression, conversion, and encryption method... (more)

The program works with the following extensions: 7z, gz, zip, iso, rar, tgz, z, cab, dmg, arj, deb, bz2, rpm, lha, swm, lzh, tpz, xar, tar, wim, taz, tbz, hfs, cpio, gzip, lzma, tbz2, bzip2, split, r71, r05, r37, r88, r21, r55, r73, r06, r38, r89, r22, r56, r74, r07, r39, r90, r23, r57, r75, r08, r40, r91, r24, r58, r76, r09, r41, r92, r25, r59, r77, r10, r44, r93, r26, r60, r61, r78, r11, r45, r94, r27, r62, r79, r12, r46, r95, r28, r63, r80, r13, r47, r98, r29, r64, r81, r14, r48, r99, r65, r82, r15, r49, r66, r00, r83, r16, r50, r67, r01, r84, r17, r51, r68, r02, r30, r85, r18, r52, r69, r03, r33, r86, r19, r53, r70, r04, r36, r87, r20, r54 and 001

.BZIP2 extension is also supported by the following programs:

BitZipper

BitZipper BitZipper BZIP2 Archive

BitZipper is an advanced data compression utility for Windows users.
ZipZag

ZipZag BZip2 compressed file

Handles Rar, Zip, Bz2, Ace, 7z, Iso, Cbr, Cbz, Tar, Cab, Jar, Msi, Pk3, Pak, Lzx.