USB security key MFA prompt does not work on any app like Teams or Outlook, only via webbrowser - Microsoft Community Hub
![How do I download the Microsoft Authenticator app for students/alumni so I can use it for Azure multi-factor authentication (MFA)? – The Community Solution Help Desk How do I download the Microsoft Authenticator app for students/alumni so I can use it for Azure multi-factor authentication (MFA)? – The Community Solution Help Desk](https://helpdesk.tcsedsystem.edu/hc/article_attachments/4589517027735/mceclip0.png)
How do I download the Microsoft Authenticator app for students/alumni so I can use it for Azure multi-factor authentication (MFA)? – The Community Solution Help Desk
![Microsoft tests use of iPhone authenticator app as password replacement in Windows 10 S mode preview | AppleInsider Microsoft tests use of iPhone authenticator app as password replacement in Windows 10 S mode preview | AppleInsider](https://photos5.appleinsider.com/gallery/24756-32714-win10sauth1-xl.jpg)