Set up multi-factor authentication with a mobile device in Microsoft 365 Business

– [Instructor] Multifactor authentication provides more security for your business. Here's how you set it up. When you sign in, you'll be prompted to provide more information. Select Next. From the dropdown menu, choose Mobile App, then choose how you want to
sign with your mobile app. Choose Receive Notifications
For Verification to authenticate directly
from your mobile app, which may include
fingerprint authentication, or choose Use Verification Code if you would rather enter
a new verification code each time you authenticate. Then, Set Up. Now you'll need an app on
your phone to continue, but leave this window
open on your computer. On your phone, select
your device's app store. Search for the Microsoft
Authenticator App.

Select it. Install it. Then, open it. Complete the wizard, and select the plus sign
to add your account. Choose Work or School Account. Accept the required app permissions, then scan the QR code on your computer. Once the account has been
added, select Got It, and then return to your computer. Select Next, then Next again, and return to your phone. Make a note of the code. On the computer, enter the
code, then select Verify. Enter a backup phone number
like your office number. Select Next, then Done. The next time you sign in, you'll be prompted to
log in using your device..

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