This conversion is mainly related to transformation of .zipx files to .zip files, i.e. extended ZIP archives files to standard ZIP archives. You can definitely make this conversion using WinZIP, but you can most likely other similar programs to achieve this.
Convert Extended Zip file to WinZIP Compressed ZIP archive.
We have found 4 software records in our database eligible for .zipx to .zip file format conversion.
Microsoft Windows software - convert zipx to zip on Windows
Another popular file archiver and compressor
Convert from zipx file format
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 zipx to 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.
A free open source archive utility
Apple macOS / Mac OS X software - convert zipx to zip on OS X
Mac version of the popular WinZip compression utility.
Apple iOS (iPhone, iPad, iPod Touch devices) software - convert zipx to zip on iOS
A compression tool for Apple iOS operating system