You don’t have to be a computer expert to know that files can be compressed to take up less space and to send several files in a single email, or to make a backup copy.
WinRAR is a powerful multi-compression tool, which is indispensable in saving space.
WinRAR compresses multimedia files. This permits greater compression than other computer compression tools, which is especially the case for executable files, object libraries, large text files and it's optimized for both multimedia file as well as solid compression algorhythms.
WinRAR is not centred on a specific format and never rests on its laurels but adds new formats as and when new versions are launched.