If you encounter this or similar archives, follow these safety protocols: Fastmail: Email and calendar made better
Given the breakdown of the keyword, several interpretations emerge:
RAR files are a type of compressed archive that can contain one or more files and folders. They are often used to bundle large files or collections of files into a single, smaller file that's easier to transfer over the internet or store on a computer.
Add an extra layer of security to prevent unauthorized access to your accounts.