Unlike .zip files, Windows and macOS often require a third-party tool to handle .rar archives.
Your best bet is The Unarchiver. It’s a "one-click" solution that blends right into macOS.
Having a PDF in a folder is a start, but it’s not an organization system. To truly master your time: How to open and extract rar files on Windows 10 pc?
If you’re staring at a .rar file and aren’t sure how to turn those compressed bytes into a readable schedule, this guide is for you. 1. Step One: Opening the "Black Box"