7zip: 7-Zip 7zip: 7zip: 7-Zip is the file archiver that archives with very high compression 7zip: ratios. The program supports 7z (that implements LZMA compression 7zip: algorithm), ZIP, Zip64, CAB, RAR, ARJ, GZIP, BZIP2, TAR, CPIO, RPM and 7zip: DEB formats. Compression ratios with the new 7z format are 30 to 50% 7zip: better than ratios with the ZIP format. 7zip: 7zip: 7zip: 7zip: