Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
1
Log into any Microsoft account you may have on this link to check if you have two separate subscriptions.
https://account.microsoft.com/services/
If you find two separate subscriptions, you will need to cancel one of the subscriptions.
On your PC, log into Word, then go to File - Account and check the Email address of the Microsoft account you are actually using in Word, ensure you do not cancel that subscription.
2
If you do not find two separate subscriptions, this forum is just a user to user forum, no-one here has any account access, you will need to contact Microsoft Support directly, try using this method to contact their support.
Go to this link: https://support.microsoft.com/contactus
Select Microsoft 365
Click 'Get Home Support'.
In the box provided, type billing.
Press Enter, then on the next page, scroll down and click 'Sign in to Contact Support'.
Navigate to Microsoft 365 and Office - Manage my Subscription.
Select the 'Chat with support agent in web browser' option