Supported formats
| Format | Compressing | Decompressing | Filename Extensions |
|---|---|---|---|
| 7z | X | X | 7z |
| ZIP | X | X | zip |
| GZIP | X | X | gz gzip tgz |
| BZIP2 | X | X | bz2 bzip2 tbz2 tbz |
| TAR | X | X | tar |
| RAR | X | rar | |
| CAB | X | cab | |
| ARJ | X | arj | |
| Z | X | z taz | |
| CPIO | X | cpio | |
| RPM | X | rpm | |
| DEB | X | deb | |
| LZH | X | lzh lha | |
| SPLIT | X | 001 002 ... | |
| CHM | X | chm chw hxs | |
| ISO | X | iso | |
| COMPOUND | X | msi doc xls ppt | |
| WIM | X | wim swm | |
| NSIS | X | exe |
ZIP
7-Zip creates fully ZIP compatible archives. Anyone can decompress these files by any ZIP compatible decompression utility. During compression 7-Zip can use one of the following ZIP compression methods:
- 0 - Store
- 8 - Deflate
- 9 - Deflate64
- 12 - BZip2
The current version of the 7-Zip can extract any files from ZIP archive that were compressed with one of the following methods:
- 0 - Store
- 1 - Shrink
- 6 - Implode
- 8 - Deflate
- 9 - Deflate64
- 12 - BZip2
Files compressed with other ZIP compression methods can't be extracted by the current version of the 7-Zip. But these supported methods are the most popular today, and therefore 7-Zip can decompress most ZIP archives. To extract files compressed with non-supported methods you must use some other ZIP utility.
7-Zip supports the Zip64 extension of ZIP format.
The current version of 7-Zip doesn't support Zip multivolume archives.
LZH
7-Zip supports LZH archives only for listing, browsing and decompressing. 7-Zip supports -lh0-, -lh4-, -lh5-,-lh6- and -lh7- methods.