Install the iZip app . Open the app, locate the file, and tap OK to unzip. ⚠️ Important Safety Checklist How to open a .7z file - Microsoft Q&A
Use The Unarchiver (free on App Store) for password-protected 7z files. IMG_945.7z
Because 7z is not natively supported by all older operating systems, you may need a third-party tool. On Windows Install the iZip app