It can backup your data and reduce the size of email attachments, open and unpack RAR, ZIP and other files downloaded from Internet, create new archives in RAR and ZIP file format. WinRAR puts you ahead of the crowd when it comes to compression. By consistently creating smaller archives, WinRAR is often faster than the competition. This will save you disc space, transmission costs AND valuable working time as well. The special compression algorithm compresses multimedia files, executables and object libraries WinRAR automatically recognizes and selects the best compression method. WinRAR provides complete support for RAR and ZIP archives and is able to unpack CAB, ARJ, LZH, TAR, GZ, UUE, BZ2, JAR, ISO, 7Z, XZ, Z archives. WinRAR offers a graphic interactive interface utilizing mouse and menus as well as the command line interface. When you purchase WinRAR license you are buying a license to the complete technology, no need to purchase add-ons to create self-extracting files, it's all included.

WinRAR is easier to use than many other archivers with the inclusion of a special 'Wizard' mode which allows instant access to the basic archiving functions through a simple question and answer procedure. This avoids confusion in the early stages of use. WinRAR offers you the benefit of industry strength archive encryption using AES (Advanced Encryption Standard) with a key of 256 bits. WinRAR supports files and archives up to 8,589 billion gigabytes in size. The number of archived files is, for all practical purposes, unlimited.

WinRAR offers the ability to create self-extracting and multivolume archives.

Winrar portable full