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Password & Account Recovery

How to Recover a Microsoft 365 Account When Phone Verification Fails

Bushra ParveenBushra Parveen Sep 28, 2026 870 views

Question details

The user is unable to recover a newly created Microsoft 365 account because password reset verification calls are failing, likely due to registering a landline office number.

How to Recover a Microsoft 365 Account When Phone Verification Fails
Product
Microsoft 365
Device & OS
not provided
Scenario
Attempting to reset the password and recover a newly created account using phone verification.
Observed behavior
Automated verification calls fail to go through, leaving the user locked out and waiting for a temporary password via an existing Microsoft support case.
Before you start

Gather your existing Microsoft support case number and an alternative mobile number or email address that can receive verification codes directly.

Solution 1Recommended

Update Your Existing Microsoft Support Case

Provide Microsoft with an alternative verification method and clarify the issue with the registered landline to expedite your account recovery process.

When an account recovery involves a landline or a number equipped with an extension system, automated verification calls usually fail to route correctly. Updating your existing support ticket rather than opening a new one is the fastest way to resolve this block.

1
Locate your active support case

Find the confirmation email or ticket number for the existing Microsoft support case you originally opened for the account recovery request.

2
Provide alternate contact methods

Reply to the Microsoft support email or update the ticket portal with a valid mobile number or alternative email address that can successfully receive SMS texts or direct verification calls.

3
Explain the landline issue

Clearly state in your case notes that the original number registered to the Microsoft 365 account is a landline office number, which is causing the automated verification calls to fail.

4
Wait for the Data Protection Team

If your case has been escalated to Microsoft's Data Protection team, simply monitor your newly provided contact methods. Do not create duplicate tickets, as this will reset your place in the queue.

Update Your Existing Microsoft Support Case
Processing Time: Account recovery requests escalated to the Data Protection Team undergo stringent security checks and can take several weeks to resolve.
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Keep Working with WPS Office While Waiting for Account Recovery

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Frequently Asked Questions

Why do Microsoft 365 verification calls fail on my office number?

Automated verification calls from Microsoft often fail if the registered number is a landline equipped with an extension system, IVR, or automated attendant that blocks the direct routing of the call.

How long does the Microsoft Data Protection team take to recover an account?

Resolution by the Data Protection team can take anywhere from a few days to several weeks, as they must perform stringent manual security checks to ensure the account is not being handed over to unauthorized users.

Should I open a new support ticket if Microsoft has not replied yet?

No, you should avoid opening duplicate support tickets. Creating multiple account recovery requests can confuse the automated system, reset your place in the support queue, and significantly delay the recovery process.