You can generally re-pack various compressed archives from one format to another when you extract the original file (in this case ZIP) and compress the data again to a 7Z format. The difference is usually in the compression ratio and thus resulting file size.
Home > Search converters: zip to 7z
Conversion of zip file format to 7z file format beta
Search for zip to 7z converter or software able to handle these file types.
Convert WinZIP Compressed ZIP archive to 7-ZIP compressed 7z archive.
We have found 10 software records in our database eligible for .zip to .7z file format conversion.
Microsoft Windows software 
- convert zip to 7z on Windows
7-zip
Popular open source file archiver with a high compression ratio
File extension | Convert | Open | Save | Edit | Create | Import | Export | Extract |
|---|---|---|---|---|---|---|---|---|
Convert from zip file | No | No | No | No | Yes | No | No | Yes |
to 7z file | No | Yes | Yes | 7z editor | Yes | No | No | Yes |
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned zip to 7z. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
ALZip
One of the many available file compression utilities
PeaZip
A free open source archive utility
Apple macOS / Mac OS X software 
- convert zip to 7z on OS X
ALZip for Mac
Ma version of a free compression utility
EZ7z for Mac
A compression utility for OS X
sArchiver
A compression utility for Mac
StuffIt for Mac
Mac version of the popular utility
StuffIt Deluxe for Mac
A backup and archive utility
iPack
A full-featured compressed archives manager
Linux/Unix software 
- convert zip to 7z on Linux
Xarchiver
A Linux application used as frontend for popular compression tools
Additional links: Open zip file, Open 7z file
ZIP
A zip file extension is associated with the WinZip compression tool. ZIP file is compressed archive container that contains archived files, compressed in ZIP compression format. Common archive format that can be extracted with any archiving tool.
7Z
A 7z file extension is used for compressed archives created with the 7-Zip archive utility. 7-Zip archives are similar to RAR files, but are using different compression method. Most good archives are able to extract 7zip formats without trouble.
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