7-Zip is a free, open source software used to compress and uncompress files. The picture is an example of what 7-Zip looks like when running.

Supported formats

The following file formats are supported by 7-zip:

Packing and unpacking:

7z, XZ, BZIP2, GZIP, TAR, ZIP, and WIM.

Unpacking only:

ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VHD, WIM, XAR, and Z.

Bzip2, Compression Utility, Software terms

  • How to extract or decompress a compressed file.
  • The 7-Zip website.
  • How to compress or make files into one file.
  • How to compress a large video file.