Install the unrar package. On Ubuntu/Debian, use: sudo apt-get install unrar

Beyond the Extract Button: Mastering RAR Files on Any System

Download WinRAR or The Unarchiver . They handle multi-part archives automatically.

Unlike ZIP files, RAR (Roshal Archive) files often provide superior compression ratios and better error recovery options. It's the go-to for distributing large volumes of data or multi-part archives. The "Too Small Block" Panic