This section takes you step-by-step to secure your Microsoft 365 account using the Microsoft Authenticator app. The Authenticator factor requires a smartphone where the Microsoft Authenticator app can be installed. Please be advised these directions may not fit every situation and may need to be updated as Microsoft makes changes.
Scroll down until you find the QR code for your mobile device app store.
On your MOBILE DEVICE,
Using your mobile device's camera scan the appropriate QR code for the app you need to download.
You should arrive at the appropriate app for your device
Download and install the Microsoft Authenticator app.
Launch Microsoft Authenticator app. Icon is one of the two seen below.
Step 5: Configure the Mobile Device
Apple iOS devices Tap "Allow" to allow the app to send phone notifications.
AndroidDevices Tap "Skip."
Note: Depending on your device, this step may displayed in a different sequence. You may choose to read through this step or tap "skip."
Tap “Add account”
Tap “Work or school account.”
Tap “Allow” for Android devices or “OK” for Apple Devices.
Scan the QR Code described in the next step using your mobile device.
This QR code will only work for the Microsoft Authenticator App. If you are using another authentication app you CANNOT use this QR code.
Step 6: Scan the QR Code displayed on the computer Screen
From your COMPUTER click the next button.
Scan the displayed QR code displayed on your COMPUTER using your MOBILE DEVICE.
NOTE: Do not scan the QR Code below. It will not work for this purpose.
From your COMPUTER Press Next on the Scan the QR code page
Step 7: Additional Security Verification
If prompted with the "Mobile app has been configured for notifications and verification codes" message is displayed on your computer screen, select "Next.
Step 8: On your mobile device, in the Microsoft Authenticator app, tap "Approve."
Note: The below prompt will display on your computer screen while you authenticate on your mobile device.
Step 9: Enter a phone number, then select "Done."
Note: If a phone number is auto-populated, ensure the number is valid. This number will only be necessary in the event you lose access to the Microsoft Authenticator app. The number entered can be mobile or landline.
Step 10: This step allows you to reduce the number of times you are asked to sign-in, and your response to this prompt should reflect your preference.
Congratulations! You have completed your MFA setup using the Microsoft Authenticator app as one of your two MFA options.