However, based on the file extension , here is what you need to know about downloading and using such a file: What is a .rar file?
: A popular, free, open-source alternative that can extract almost any compressed format.
Windows and macOS cannot open RAR files natively; you will need third-party software to "extract" the contents.
: Only download this file if you know exactly who sent it or what website it came from.
: Another common utility that supports RAR extraction.
Do you know you found this file or what it is supposed to contain? I can help you verify if that source is typically safe. Need to open, create, or convert a RAR file? - WinZip
Because .rar files can contain type of content (software, scripts, or malware), they are often used to hide viruses from basic email scanners.