Dear @Dick King,
Thank you for posting your question in the Microsoft Q&A forum.
I understand you’re the sole user (the creator) and need to access to your account. Please know you’re not alone in this, and we’ll guide you through every step to get you back in control as quickly as possible.
Option 1: Contact Microsoft Data Protection Support by Phone (Primary Method)
Since you are the only administrator and are locked out, I highly recommend you try to call Microsoft's support line again to raise a request for resetting your authentication method. For a full list of regional numbers, you can also visit this official page: Customer service phone numbers - Microsoft Support. The support team will assist you as soon as possible. For reference: Get support | Microsoft Docs
Here are some tips and an example of a prompt to help you navigate the IVR more effectively:
In some countries, it is an automated conversation like: First, when you call the hotline, it will be asked as follows:
IVR: What kind of problem are you concerned about?
You: Authenticator.
IVR: What kind of product do you use?
You: Office 365 for business.
IVR confirmation: education or company account?
You: For companies
IVR: Are you an administrator?
You: Yes.
IVR: Do you have the other administrator in your organization?
You: No.
IVR: Do you need a... Service request?
You: Yes
This process should connect you with a live agent who will create a service request with the Data Protection team. They will then contact you to help you regain access.
Option 2: Create a Temporary Account (Trial Tenant) to Submit a Support Ticket (Alternative Method)
If you have difficulty reaching an agent by phone, there is a reliable workaround. This involves creating a new, temporary Microsoft 365 account to contact the support team online.
- Sign up for a new Microsoft 365 Business trial using this link: Compare All Microsoft 365 Plans. You will need to use a different, personal email address to register.
- Once the trial account is created, log in to its Admin Center.
- From the Admin Center, open a new Service Request.
- In the ticket description, explain that you are locked out of your primary tenant (your.onmicrosoft.com) and that you need to speak with the Data Protection team to regain access. Provide your locked account's details and a good contact number for them to reach you.
- For reference: Get support | Microsoft Docs
Important: Please remember to cancel the trial subscription after your original account issue is resolved to avoid any future charges.
I am confident that the Data Protection team can resolve this for you. Please try the phone option first, as it is the most direct path. Let me know if you have any questions about these steps.
Note: Please understand that as forum moderators, our primary goal is to provide helpful guidance and support through general troubleshooting steps. While we don’t have access to internal systems or administrative tools required to resolve account-specific or backend issues, we truly appreciate your understanding of these limitations. We genuinely hope the information we share helps guide you in the right direction, and we're always here to assist as much as we can within our scope.
I hope this information is helpful. Please follow these steps and let me know if it works for you. If not, we can work together to resolve this. If I misunderstand anything, please feel free to reach out.
Please understand that our initial response does not always resolve the issue immediately. However, with your help and more detailed information, we can work together to find a solution.
Thank you for your patience and your understanding. If you have any questions, please feel free to reach out.
I'm looking forward for your reply.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.