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Microsoft 365 Multi-Factor Authentication - Find and Update Your Security Info

Use these instructions to find and update your current multi-factor authentication for Microsoft 365 settings. Learn more about MFA.

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Step 1

Log in to the Microsoft 365 My Account page. Expand the My Account section and select Security Info. You will be prompted to authenticate with MFA. 

Step 2

Check default method

The security info screen will show your Default sign-in method at the top of the page (as shown in screenshot) and list all authentication methods currently connected to your account. 

OIT recommends having Microsoft Authenticator set as your default sign-in method. The Microsoft MFA service page has a list of all additional approved options for MFA available at CU Boulder including set up instructions.

Step 3

Add additional methods

Select Add sign-in method to register an additional method. 

Step 4

You may want to set up a secondary or backup method in case you replace your current device or are away from it temporarily. Visit the Microsoft MFA service page for a list of all additional approved options including set up instructions.

Step 5

Change default method

Click Change to update your default authentication method.

Step 6

Available authentication methods connected to your account will appear. From the drop down menu, select App based authentication – notification to make Microsoft Authenticator your default method.

If you do not see App based authentication options, refresh your browser window.