Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
1
Open Word.
At the top right of Word, log out of Office.
Restart (not shut down) your PC, then log back into Office, is your subscription then correctly recognised.
2
If not, log into your Microsoft account on this link and check the expiry date on your Microsoft subscription to ensure it is correct for your subscription payment.
https://account.microsoft.com/services/
If not, go to the Payments and billing section, is it indicated your subscription payment has been successfully processed.