Softaken Archive Converter Software works very well if you want to quickly change between ZIP, RAR, 7Z, TAR or TAR.LZMA files on Windows 11. It can be used offline, it's available in a 32-bit and 64-bit version, and it can work with very large files with no limitation. You can batch archive hundreds of archives at a time, stay with the folder structure, and you can even try the free demo before you buy it. More importantly, it's fast, reliable, and simply to use, whether for business or for personal archives.