can run on PCs that do not allow third-party software (including archivers) to be installed.leaves no traces on the PC where the archives were processed.does not require installation on every new PC.You can also save frequently used compression settings to a file for quick access. List of all supported formats: RAR, ZIP, 7Z, ISO, JAR, ARJ, CAB, LZH, TAR, GZ, TAR.GZ, BZ2, TAR.BZ2, ACE, UUE, Z. Its multi-threading feature makes it very fast on multi-core processors. rar and other types of archives of unlimited size, and to do it very quickly-WinRAR Portable is able to make the best use of the CPU resources of the PC where the decompression or compression takes place. WinRAR now officially supports installation to an external drive (e.g., USB flash drive) and may be used on any computer where this USB flash drive is plugged in. Starting from WinRAR version 5.20 users no longer need to search for dubious portable archiver builds from unknown developers and download them to their computer.

Run the archiver on any computer without installation thanks to its support for storing settings in the winrar.ini file. WinRAR Portable will be useful both for system administrators and regular users. WinRAR Portable lets you use all the features of the popular archiver without having to install it on every computer. Just recently I found out that there is a perfectly legal way to get WinRAR Portable, install it on a flash drive and use it on any PC.

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