If you have a file with the .rar extension, you cannot open it natively in older versions of Windows or macOS without a third-party tool. 🛠️ How to Open a RAR File

It is sometimes used as a location code or part of a military distribution change report (DLMS).

To "extract" or "unrar" your file, you will need a dedicated utility:

Are you getting a when trying to open it?

The go-to choice for macOS users to handle RAR and other uncommon formats.

If you see files named .part1.rar , .part2.rar , etc., you must have all parts in the same folder before you start extracting the first one.