Mark @accountprotection.microsoft.com as a trusted sender to receive your verification code in your inbox. Randomly still getting the 'can't find this page' error upon first connection.. When you close it and reconnect, it then goes through as expected. It's also intermittent, sometimes goes in first time round.. Other times get the error, close the window, reconnect then it works.

• Microsoft Entra multifactor authentication detects unusual activity like repeated sign-in attempts, and may prevent additional attempts to counter security threats.
• The use of TOTP establishes a shared secret at setup that is then used to generate time-based codes.
• It's indicating that the MFA must be done, but nothing's opening/prompting for it.
• Other times get the error, close the window, reconnect then it works.
• We strongly recommend letting your organization's Help desk know if your phone was lost or stolen.

I can't sign in after multiple attempts

Should you not wish or not be able to use an app you can choose the phone (text) or alternative phone method and provide a phone number, this data is only used to support the security of your account. To change the language, you need to remove it and re-add the security info to your account using the steps above. If you don't know, or have forgotten your password, and you don't have access to any of your security info for verification, follow the steps below to recover your account. There may be heavy compromised traffic coming from your geographical location and to protect you, we may also not deliver codes to your account as fast Exchange connectivity diagnostic as we would like. While rare, these issues will be automatically resolved after a certain period of time. There are a number of possible explanations for why verification codes don't always arrive.

Further help and support

A vast community of Microsoft Office365 users that are working together to support the product and others. At first logon, i was prompted for MFA Outlook stuck updating folders solution and connected successfully. If none of the recommendations on this page have resolved the problem, you can contact the IT Service Desk for support.

I've lost access to my security info

When I switch from company's Teams to client's, I am asked to log in. The log in prompt shows a code and to authenticate it in Microsoft Authenticator. There is no prompt/ notification in my Microsoft Authenticator to put the number.

Troubleshooting common problems with Multi-Factor Authentication (MFA)

If you don't recognize the phone number or email address offered when trying to get a verification code, check these things. Disconnected and reconnected (no MFA second time round) so will wait an hour and see if this prompts for MFA again. I have rebuild Outlook data file quickly 'single sign out' enabled on my saml auth profile.

What Our Users Say

Log off, log back in again and does not prompt for MFA anymore. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Find solutions to common problems or get help from a support agent. If you are sure the email address is correct, you may need to recover your account.

Question activity

If you've tried these steps but are still running into problems, contact your organization's Help desk for assistance. If you're an admin for Microsoft Entra ID and need more support, contact global support phone numbers. If you no longer have access to the phone number or email address, or you need to add another way to sign in, select I don't have any of these when trying to sign in and follow the prompts. This will forget all Wi-Fi networks and passwords, mobile settings, Virtual Private Network (VPN) and Access Point Name (APN).