Adding secondary numbers to MFA
How to add additional numbers:
1. Log into www.office.com with your SDI email account
2. Click the profile icon in the top right and choose View Account

3. A new tab will open with your account info, choose Security Info on the left

4. Click + Add Sign-In Method

5. Choose either Alternate Phone or Office Phone

6. Enter the additional phone number and click Next
7. Answer the call and follow the prompts to complete setup
How to use the secondary number when logging in:
When you log in and are prompted for the MFA code, you will now have multiple phone options to choose from. Choose the call or text option you would like to use.
