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

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