Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Based on the described situation, there are two separate needs: stopping the extra billing and getting direct human support.
- For the extra/duplicate Microsoft 365 subscriptions
- If a subscription is being billed from a Microsoft account that cannot be accessed (old/forwarded email, deceased relative, or an account that may not belong to the requester), canceling directly through Microsoft self-service is not possible without access to that account. Microsoft enforces this for account security.
- In such cases, the practical way to stop charges is to cancel the recurring payments at the payment provider:
- Contact the credit card issuer or bank and request cancellation of the recurring Microsoft 365 charges that should not continue.
- The bank/issuer can block or dispute those specific subscription charges. This is explicitly recommended when account ownership or access cannot be established.
- If any subscription was purchased through a third party (for example, Amazon), that third party can also cancel and refund their portion of the billing, as shown in a similar case where a Microsoft 365 Family subscription billed via Amazon was canceled and refunded by Amazon support.
- For accounts tied to deceased relatives or inaccessible addresses
- When an account belongs to someone who has died (for example, the father’s account), Microsoft requires a formal process to verify rights before granting access or making changes. This is handled through Microsoft’s documented legal/next-of-kin process for accessing Outlook.com, OneDrive, and other Microsoft services when someone has died.
- For an account that is inaccessible because the email is defunct or forwarding no longer works, and where ownership cannot be proven through normal recovery, the same principle applies: Microsoft will not bypass security based only on a description of the situation. This is why canceling via the bank/credit card is recommended when sign-in is not possible.
- To talk to a human (phone support)
- When self-service and online options are not sufficient, Microsoft provides customer service phone numbers. These can be used to reach a human support agent for billing and account issues.
- Use the published “customer service phone numbers” page to find the appropriate regional number and call to speak with an agent. This is the supported path when a direct conversation is required.
- Additional account help resources
- For general Microsoft account issues (multiple accounts, sign-in problems, forgotten usernames, etc.), Microsoft provides central help pages such as:
- “Get help with your Microsoft account” – includes links for product keys and options to reach support.
- “I can’t sign in to my Microsoft account” – covers sign-in and recovery scenarios.
- “I forgot the account I use with Microsoft 365” – includes guidance for forgotten usernames and checking which products are tied to which accounts.
- If any of the accounts are work or school accounts, there is a separate “Help with a work or school account password” link for those scenarios.
Given the constraints described (multiple accounts, one tied to a deceased parent, one possibly not owned, and duplicate billing), the concrete steps supported by the available information are:
- Immediately contact the credit card issuer/bank to stop the unwanted recurring Microsoft 365 charges and, if appropriate, request chargebacks or refunds.
- If access to the deceased parent’s account is needed beyond canceling billing, follow Microsoft’s documented process for accessing Microsoft services when someone has died.
- Use Microsoft’s customer service phone numbers page to reach a human agent for further clarification on which subscriptions are active and what can be done from Microsoft’s side.
References:
- I can't sign in to my Microsoft account
- I forgot the account I use with Microsoft 365
- Get help with your Microsoft account
- Combining Microsoft accounts
- How to Cancel Microsoft 365 subscription if you do not have account info? Or get anyone to help? - Microsoft Q&A
- I need to talk to someone!! - Microsoft Q&A
- How to resolve being billed on 2 separate charge accounts for the same thing - Microsoft Q&A