The Unarchiver is a free file compression manager supports many archived files especially RAR, ZIP, ACE and TAR. It's totally free and supporting many macOS versions starting from macOS 10.7. It also supports rare archived formats including old formats as well.
The Unarchiver is the only app you need to open RAR on Mac. It’s times more powerful than the native macOS utility and supports infinitely more archive formats.
The app spports all popular file formats, rate formats, as well as old formats.