Add Phone/Text for MFA

1. Open a browser and navigate to https://mysignins.microsoft.com/
2. Click on the Security info option on the left-side pane
3. Click the + Add Sign-in method

4. In the dropdrown, select Phone
5. Click Add
6. Enter your phone number and click the preferred radio button
7. Enter the verification code received on your phone and click Next
8. Your phone should be successfully registered. Click Done

Note: If you have multiple authentication methods setup, you can change the default sign-in method to your preferred option. Click the Change link at the top and select the appropriate method from the dropdown. Click Confirm.