RAR files are a common vector for malware because they can hide executable files (like .exe) from simple email or web filters. How to Open RAR Files on Windows, Mac, and Mobile - Avast

: WinRAR is the standard software for creating and extracting RAR files.

: 7-Zip is a highly recommended, open-source alternative that can extract almost any compressed format, including RAR. 2. Safety Precautions