Because RAR is a proprietary format, you generally need specific software to "extract" or "unzip" its contents. RAR - Википедия
: It is primarily used to save storage space and make large files easier to transfer or upload. LIBRATwstdTlesAlddin rar
A is a "data container" used to compress one or more files into a single, smaller package. Because RAR is a proprietary format, you generally