You can often right-click and select "Extract All" directly in File Explorer.
Use a free extractor like The Unarchiver from the App Store.
You will need an external app like WinRAR (official) or 7-Zip (free/open-source).
RAR is a proprietary compressed format. While some modern systems have basic support, most require a third-party tool.
Download iZip or WinZip from your app store. 2. Extraction Steps (Desktop) How to Open RAR Files on Windows, Mac, and Mobile - Avast
Since the specific file is likely a private assignment or data package, this guide focuses on how to safely open and extract its contents on any device. 1. Identify Your Operating System