: RAR often achieves better compression ratios than the standard ZIP format, resulting in smaller file sizes.
Because the RAR format is proprietary, standard Windows or macOS utilities cannot always open them natively. You will need a third-party tool:
The file is a compressed RAR archive . RAR files are proprietary Roshal Archive containers used to store one or more files in a compressed state to save space and facilitate easier transfer. Core Features of RAR Files