It can compress files 30-70% better than standard ZIP.
If the file was generated by an enterprise system like Cisco RTMT , it may require a password set by your administrator. Why Use .7z Instead of .ZIP? CUXC.7z
Have you stumbled upon a file named and wondered what to do with it? Whether it showed up during a system migration or while digging through server backups, here is everything you need to know about this archive and how to handle it. What is CUXC.7z? It can compress files 30-70% better than standard ZIP