Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
You can cancel your Microsoft accounts by logging in to each account using the following link:
https://go.microsoft.com/fwlink/?linkid=2272280
To close an account, you'll need to be able to sign in. If you can't sign into your Microsoft account, use the Sign-in helper.
As stated in the Microsoft Services Agreement, once your account has been closed and the reopen window has passed, Microsoft will delete your data and your content.