MFA: How to change your Multifactor Authentication (MFA) phone number.

This article will guide you through changing your phone number associated with Multifactor Authentication (MFA).

How to change your Multifactor Authentication (MFA) phone number.

*NOTE* IF YOU INITIALLY SETUP MULTIFACTOR AUTHENTICATION (MFA)  WITH YOUR WORK NUMBER YOU WILL NEED TO BE IN YOUR OFFICE TO UPDATE IT.

1. Navigate to https://aka.ms/MFASetup 
2. Complete the verification step by receiving a call on your work phone.
3. Enter the code provided during the phone call.
4. Select CHANGE next to the phone number listed.

1. Choose your preferred authentication option.
2. Choose your response method and / or update your Authentication Phone number next.
3. Click on "Save" at the bottom after completing any changes.