Multi-Factor Authentication (MFA) Guide for Defence 365

On this page

• How to Add a New Authentication Method
• How to Change the Default Authentication Method
• How to Remove an Authentication Method
• Adding a Phone Number Authentication Method
• Adding the Authenticator App Authentication Method

This guide is for users who have previously on boarded with an iOS or Android device and need to add, change or remove an authentication method.

This guide is useful for those who have lost their phone/device, received or purchased a new phone/device or want to change their previously selected authentication method.

Note: Users must be on a computer or laptop.

How to Add a New Authentication Method

1. Navigate to My Account (microsoft.com).
2. Under the Security Info heading, select "Update Info".
3. Follow the authentication instructions on the page.
4. Once you reach the Security Info page, click on "Add sign-in method".
5. In the drop-down menu that appears, users can select which authentication method they would like to add.
   Note: Email and Security Questions are not set up for DND.
6. Once the new method is selected, follow the onscreen steps to finish setting up.
   For step-by step instructions for adding a Phone number.
   For step-by-step instructions for Authenticator App.
7. You should now see the newest authentication method listed on the Security Info screen.

How to Change the Default Authentication Method

1. Navigate to My Account (microsoft.com).
2. Under the Security Info heading, select "Update Info".
3. You will be asked to authenticate using the method set-up during onboarding.
4. Once you reach the Security Info page, click "Change" beside Default sign-in method.
5. In the drop-down menu that appears, select the method you would like to make your default authentication method.
6. Click "Confirm".
7. Next to the Default sign-in method you should now see the newly selected authentication method.

How to Remove an Authentication Method

1. Navigate to My Account (microsoft.com).
2. Under the Security Info heading, select "Update Info".
3. You will be asked to authenticate using the method set-up during onboarding.
4. Once you reach the Security Info page, find the authentication method you would like to remove in the list.
5. Click "Delete" and then "OK" to confirm.
6. The authentication method should be removed from the list of sign-in methods.

Adding a Phone Number Authentication Method

1. On a computer, navigate to My Account (microsoft.com).
2. Under the Security Info heading, select "Update Info".
3. Select "Add sign-in method".
4. Select "Phone" from the dropdown menu. If using a phone with an extension select "Office Phone".
5. Enter your phone number and extension if applicable. Microsoft will call your phone. Listen for the prompt and press the "#" key.
6. Now whenever you are prompted to sign in and you don’t have access to your cell phone or your default method of authentication you can select "Sign in another way" and the telephone option will be available.

Adding the Authenticator App Authentication Method (Mobile phone required)

1. On a computer, navigate to My Account (microsoft.com).
2. Under the Security Info heading, select "Update Info".
3. Select "Add sign-in method".
4. Select "Authenticator App" from the dropdown menu.
5. Continue to select "Next" until a QR code appears.
6. On your mobile device, open Play Store (Android)/App Store (iOS) and download Microsoft Authenticator.
7. Open Microsoft Authenticator.
8. On the initial screen, tap "I agree".
9. Then tap "Scan a QR Code".
10. A camera overlay will appear on your mobile device. Using the camera overlay, scan the QR code on the computer.
11. You will be prompted to allow notifications. Tap "Allow".
12. You have successfully set up the Authenticator app.

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