FileMagic: The Best Way to Open and Manage RAR Files. Troubled by RAR files and other formats your computer can’t manage? FileMagic makes file management easier, especially when it comes to opening RAR files and handling other formats. https://www.filemagic.com/en/compressed-files/rar-file-extension/rar-files-what-it-is-and-how-to-open-it/