A ( .rar ) is a compressed archive format—similar to a ZIP file—that groups multiple files into one smaller package to save space or make sharing easier. Because it is a proprietary format, Windows and macOS usually require third-party software to open them. 1. Essential Software to Open RAR Files
: The standard free choice for Mac users to handle RAR and other archive types.
: A completely free, open-source alternative that is lightweight and very popular.