Dear @Mo Khan,
Thank you for reaching out to Microsoft Q&A forum. We are happy to assist you.
If you're the only admin, in this situation, the Microsoft Data Protection team has tools and processes in place to verify identity and regain access to administrator accounts.
Please note that forum moderators have no control over user accounts, especially when it comes to logging in to your account, resetting your password, changing your access, etc.
Therefore, if you are the only administrator in your organization, then you need to involve Microsoft data protection team. Please try to find the related hotline number to call the frontline let them raise a ticket for you: Customer service phone numbers - Microsoft Support (Scroll down for Business users)
In some countries, this is an automated conversation: First, when you call the hotline, they will ask you what kind of problem you are struggling with.
Answer: Authenticator.
A: What products do you use?
B: Office 365 for business.
Verification: Education or company account?
B: For companies
A: Are you an administrator?
B: Yes.
A: Are there any other administrators in your organization?
B: No.
A: I need one.... Service request?
B: Yes
As an alternative, you can create a new tenant account and submit your request from there.
To set up a new tenant, please follow these steps:
- Visit Compare Office 365 Enterprise Pricing and Plans | Microsoft 365, choose any plan and click try for free to start a free trial.
- Follow the guided setup process to create a new account for a new tenant.
Once your tenant is created, you should be able to access the support portal and submit your ticket referencing your locked account without further issues
Ticket Support: In the Microsoft 365 Admin Center > Support > Help & Support. You can raise support ticket
https://admin.microsoft.com/#/support/requests
Please remember to cancel the trial subscription once your issue is resolved to avoid any unintended charges.
If you need any further assistance, feel free to reach out. We're here to help. Thank you very much for your understanding and your cooperation.
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