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 (.7z, 7-zip etc.) The difference is usually in the compression ratio and thus resulting file size.
Convert WinZIP Compressed ZIP archive to 7z compressed archive.
We have found 4 software records in our database eligible for .zip to .7-zip file format conversion.
Microsoft Windows software - convert zip to 7-zip on Windows
Popular open source file archiver with a high compression ratio
Convert from zip file format
|Yes, 7-zip supports 7-zip file conversion as a target file type.||Yes||Yes||7-zip 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 7-zip. 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.
One of the many available file compression utilities
A free open source archive utility
Apple macOS / Mac OS X software - convert zip to 7-zip on OS X
A compression utility for Mac