Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
1
If you are experiencing problems using the Microsoft 365 apps, please provide full details on that and a screenshot of any error you may be seeing.
Also, are you using the Office apps on a Windows device or Apple Mac device.
2
If this is a subscription problem, log into your Microsoft account on this link, check the expiry date on your subscription, is that indicated correctly?
https://account.microsoft.com/services/
If not, click Billing on the left, is the subscription payment indicated as processed correctly.