WINRAR

WinRAR is a 32-bit version of RAR, the powerful archive manager. RAR files can normally compress files up to 10 percent more than ZIP or ARJ files. It provides complete support of RAR and ZIP files, unpacks 7Z, ACE, ARJ, BZ2, CAB, GZ, ISO, JAR, LZH, TAR, UUE, Z. Among WinRAR features are strong compression, volumes, encryption, self-extracting modules, backup facilities.Most of the large files that are downloaded from the websites are zipped using Win rar.

File format : files with extension .rar

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USAGE:

 Right click your .rar file, option for unraring can be found.