Manage Your Two-Factor Authentication (2FA) Settings
ISSUE: Authentication phone number or app changed and need to update or add security verifications
- Go to https://myapps.microsoft.com then select your account name in the top right, then select profile then Additional security verification or junp right there here.
You should see this page:
- The Additional security verification page loads (image above) with your settings. You can change phone numbers and set up the mobile app from here.