Because Windows does not natively support RAR extraction like it does for ZIP files, you must use a third-party utility: The native program for the RAR format.
Uses advanced algorithms that often achieve better file size reduction than standard ZIP formats.
"PF7.rar" is a compressed RAR archive designed to store and condense multiple files into a single, smaller package.
A free, open-source alternative that can extract (but not create) RAR archives.
Supports AES encryption to protect contents with a password.
RAR archives are frequently used in phishing attacks to deliver malware. Need to open, create, or convert a RAR file? - WinZip
Can be split into smaller parts (e.g., PF7.part1.rar, PF7.part2.rar) for easier transfer. How to Open and Process PF7.rar
A common commercial utility that also supports RAR extraction. Security Warning