How To: Install and Use Microsoft Authenticator

Install and Use Microsoft Authenticator 

Beginning 4/13/2026 date, you must use Microsoft Authenticator to sign in to your Microsoft accounts. 

Just follow the three steps below to begin using Microsoft Authenticator to sign into Microsoft accounts. 

1. Download Microsoft Authenticator: IOS | Android 
2. Add your account to Microsoft Authenticator
3. Sign in Using Microsoft Authenticator

Step 1

Download Microsoft Authenticator – IOS | Android

• If you have done this already move to Step 2

Step 2

Add your account to Microsoft Authenticator

•  Open Authenticator and select the plus icon + on the top menu bar.
•  Tap Work or school account and select Sign in.
•  Enter your work email address and click Next.
•  Enter your password.
•  You have successfully added your account to Microsoft Authenticator.

Step 3

Sign in using Microsoft Authenticator 

• Open Outlook, Teams, or MS365 app on your desktop or mobile device
• Enter your username at the sign-in prompt and select Next.
• Select Send notification.
  Note: If necessary, select Other ways to sign in then Approve a request on my Microsoft Authenticator app.  
• You will be prompted to Check your Authenticator app and may also be shown a number.

• On your mobile device, open Authenticator, or tap the New sign-in request notification.
  Note: You may need to unlock Authenticator before confirming sign-in.

• Tap or enter the corresponding number, then Approve.

• You have successfully signed into a Microsoft application using Microsoft Authenticator!