Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
1
Open Word.
At the top of Word, log out of Office.
Restart 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 subscription, is it listed correctly for your subscription payment.
https://account.microsoft.com/services/
If not, go to the Payments and Billing section and check if your payment has been processed correctly.