De09n - Rar

: Use The Unarchiver or similar apps from the App Store.

: For Android, use the RAR for Android app; for iOS, use apps like iZip . How to Open RAR Files on Windows, Mac, and Mobile - Avast DE09N rar

Because RAR is a proprietary format, standard Windows or Mac tools (like "Extract All") may not support it natively. You will need a third-party application: : Use The Unarchiver or similar apps from the App Store