Update Multi Factor Authentication Phone Number

There are times you may need to update your MFA phone number. The below guide will show you how.

Log in to Office.com
Click your name from the Top Right Corner of the Page
Click “View Account”
On the left side of the page click “Security Info”
Click Change next to the phone number that you need to update
Update the phone number a preferences, then click Next
You’ll receive a text or call that will provide a security code to you, enter the code and click Next
When done successfully, you will see a similar message as below