This conversion basically represents repacking of ZIP archives (.zip) to ARJ archives (.arj) which were very popular few decades ago. Many file managers still support ARJ format, so repacking zip to arj should be simple enough, just pick any of the programs listed below.
Convert WinZIP Compressed ZIP archive to ARJ Compressed archive.
We found 3 software records in the database related to .zip to .arj file format conversion.
Microsoft Windows software - convert zip to arj on Windows
One of the many available file compression utilities
Convert from zip file format
|Yes, ALZip supports zip file conversion as a source file type.||Yes||Yes||zip editor||Yes||No||No||Yes|
|Yes, ALZip supports arj file conversion as a target file type.||Yes||No||No||No||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 arj. 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.
Freeware file compression tool
Apple macOS / Mac OS X software - convert zip to arj on OS X
A compression utility for Mac