It’s possible you have Premium on another email account. Check out our guide to finding any other accounts.
If you are certain that you are logged in with the Grammarly Premium email address, but the Microsoft Office add-in prompts you to upgrade to the Premium version, it is important that you log out and log in again with your Premium account in Word:
- Click the "Grammarly tab" in Word and press "Log out":
- Then, click "Log in":
- Sign in by submitting your Premium account email address and password.