WinRAR offers you the benefit of industry strength archive encryption using AES (Advanced Encryption Standard) with a key of 128 bits. It consistently makes smaller archives than the competition, saving disk space and transmission costs. WinRAR is an archiving utility that completely supports RAR and ZIP archives and is able to unpack CAB, ARJ, LZH, TAR, GZ, UUE, BZ2, JAR, ISO, 7Z, Z archives.