Hi teo mpist,
Welcome to Microsoft Q&A forum.
I understand this is very urgent and stressful—especially since your phone was automatically signing you out and now you can no longer access the mailbox. The safest way to regain access is to use Microsoft’s official recovery and verification process.
Please note that this is a user-to-user support forum. Moderators, contributors including external Microsoft employees cannot directly intervene in Microsoft product features or access back-end systems. Our role is limited to providing technical guidance on reported issues, requests, or ideas only.
Please try the steps below:
- On the Microsoft sign-in page, select Forgotten your password? and follow the verification options shown.
- However, if you cannot receive any verification code, please submit the Account Recovery Form:
- Go to: https://account.live.com/acsr
- Enter the locked account and provide a working contact email address (an email you can access) so Microsoft can respond.
- Please fill in as much accurate information as possible to support the ownership verification process.
- If you need direct support options, please follow these steps:
- Go to the Microsoft support page and type Account Recovery in the search box.
- Select Get Help and then Contact Support.
- If you can’t sign in to the compromised account, sign in with a different Microsoft account.
- In the Products & Services section, select Other Products, and then select Account Security.
- Select Chat with a support agent via web browser.
- Explain the situation clearly during the chat.
After you regain access, to make future sign-ins easier and more secure, please enable two-step verification (2FA) and add Microsoft Authenticator to approve sign-ins from your phone. You can turn on two-step verification under Additional security and select Turn on, then add a verification method such as the Authenticator app.
You can also add Authenticator from the Security page by selecting: Manage how I sign in > Add a new way to sign in or verify > Use an app.
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