Commands – Full list of commands is available in the WinRAR Help menu. Archiving – Compress and store files in RAR archives to save space. Archives can be encrypted, keeping them safe and secure. Complete Support – WinRAR products support all .rar and .zip archive files and works with most other popular file types, including CAB, ARJ, GZ, TAR, ACR, JAR, ISO, 7Z, XZ, and many, many more.