WinRAR is the classic choice, but 7-Zip is a fantastic, free, open-source alternative that handles almost every format.
Wait a few seconds, and your files will appear in a regular folder! Why Use RAR Instead of ZIP? Einfaaaafdf rar
The Unarchiver is a popular, free tool available on the Mac App Store that opens RAR files with a single click. WinRAR is the classic choice, but 7-Zip is