If you are on a Mac and you get the error "Your account does not allow editing on a Mac", you can try the following to resolve the issue:
1. Ensure your Mac is running Mac OS 12 (Monterey) or newer.
2. Sign out of Office and sign back in
- Open an Office app, such as Word.
- Select your name and profile picture or icon at the top.
- Select Sign out.
- Select Sign in.
- Make sure you are signed in with your Work or School account, not your personal Microsoft account.
- Try activating Microsoft 365 again.
3. Remove stored credentials on Keychain - sometimes cached credentials do not work when logging into Microsoft products on a Mac. Either remove your cached credentials, or just manually type in your CWRU ID and Passphrase when logging into Office.
4. Remove Office license files: https://support.microsoft.com/en-us/microsoft-365-activation-licensing/how-to-remove-office-license-files-on-a-mac
5. Uninstall and reinstall Office:
- Uninstall Office: https://support.microsoft.com/en-us/office/lifecycle/officeinstall/uninstall-office-for-mac
- Download in Install Office (Use the "You signed in with a Work or School account" instructions: https://support.microsoft.com/en-us/office/lifecycle/officeinstall/download-install-or-reinstall-microsoft-365-or-office-2024-on-a-pc-or-mac