What are .rar files?
RAR is a file format for data compression, similar to ZIP files. RAR stands for Roshal Archive; the format is named after its creator, Eugene Roshal.
In order to create (compress) and extract (decompress) .RAR files, you need special software that understands the .RAR format. There are many software packages that can used to create and open .rar files.
7-Zip is open source software, You don’t need to register or pay for 7-Zip. Which are comparable to .zip file archives. Download 7-Zip here .