Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
1
If you have the Office apps installed on any Windows device, open Word.
Go to File - Account.
On that window, you should see the Email address of the Microsoft account you use for the Office subscription.
If you can find that, log into your Microsoft account on this link, select the subscription, then click Manage, and from there, you can cancel the subscription and disable the recurring billing on the subscription.
2
If you are still unable to access the account the subscription is registered to, the best option may be to contact your bank to end the direct debit on your account for the subscription.
2
If you are still unable to find the associated Microsoft account or cancel the direct debit on your account, 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