WinRAR automatically recognizes and selects the best compression method. WinRAR supports all popular compression formats (RAR, ZIP, CAB, ARJ, LZH, ACE, TAR, GZip, UUE, ISO, BZIP2, Z and 7-Zip).macOS supports native zip compression, for RAR compression support and a fully featured GUI we recommend The Unarchiver or Keka. WinRAR developers do offer a macOS version they call RAR for macOS, however it's only a command-line only application. It also features GUI elements consistent with the OS like rounded corners and snap layouts.

WinRAR is fully compatible with Windows 11. A single WinRAR license costs $29, which will remove any pop-up messages. After 40 days you will get a pop-up urging you to buy the license, however you can continue using the software without losing any functionality. WinRAR is available as a trial version with access to all features. By consistently creating smaller archives, WinRAR is often faster than the competition. It can backup your data, reduce the size of email attachments, open and unpack RAR, ZIP as well as create new archives in these and other popular file formats.

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