Miscellaneous topics that do not fit into specific categories.
Can you still sign in to your Microsoft account at account.microsoft.com using the email tied to the subscription?
Billing will not stop on its own even if the account is blocked. You need access to cancel it. Try the official account recovery first so you can sign in, then go to Services and subscriptions and turn off recurring billing or cancel the plan. If you cannot recover the account, use Microsoft Support on their official site and request cancellation after identity verification.