MFA & Verification Issues

How to Stop Microsoft Authenticator from Asking for a Deleted Email Account

Kushani NimanthikaKushani Nimanthika Oct 28, 2026 868 views

Question details

The Microsoft Authenticator app continuously requests identity verification using an obsolete or deleted Hotmail/email account.

How to Stop Microsoft Authenticator from Asking for a Deleted Email Account
Product
Microsoft Authenticator
Device & OS
iOS (iPhone)
Scenario
Opening the Authenticator app or attempting to verify a login prompt.
Observed behavior
Despite having a new email address configured, the Authenticator app repeatedly prompts the user for the old, deleted email address upon opening.
Before you start

Before removing any accounts from your Authenticator app, ensure you have an alternative verification method (such as a phone number or a secondary email address) successfully configured in your Microsoft account security settings to prevent getting locked out.

Solution 1Recommended

Update Security Info in Your Microsoft Account

Remove the obsolete email address from your Microsoft account's security settings online so the app stops pulling the old data.

Microsoft Authenticator syncs with your online Microsoft account settings. If the old email is still listed as an alias or a recovery method online, the app will continue to prompt for it even if you no longer have access to that inbox.

1
Sign in to your Microsoft Account

Go to the Microsoft account website in your browser and sign in using your current credentials.

2
Navigate to Security Settings

Click on the 'Security' tab at the top of the page, then select 'Advanced security options'.

3
Remove the obsolete email

Under the 'Ways to prove who you are' section, locate the old or deleted email address. Click to expand it, and select 'Remove'.

4
Add a new verification method

Click 'Add a new way to sign in or verify' to ensure your account has an active and accessible fallback option.

Update Security Info in Your Microsoft Account
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Frequently Asked Questions

Why does Microsoft Authenticator keep asking for my old email?

This usually happens because the old email address is still registered as an alias or a fallback verification method in your Microsoft account's online security settings, or the app is restoring outdated backup data.

Will I lose access to my account if I remove it from the Authenticator app?

If the Authenticator app is your only verification method and you remove it without setting up an alternative (like a phone number or secondary email), you could get locked out. Always add a new verification method online first.

Does updating the Authenticator app fix the ghost email prompt?

Simply updating the app to the latest version might not resolve the issue if the deleted email is still linked to your Microsoft account online. You must update your online security settings before the app can stop prompting you.