Microsoft 365 - Enabling Two-Factor Authentication (2FA) and Microsoft Authenticator

Microsoft 365 - Enabling Two-Factor Authentication (2FA) and Microsoft Authenticator

Revision Date: 1/9/2026

1. Sign in to your Microsoft account using your username and password.










2. Once signed in, go to mysignins.microsoft.com. Under Security Info, select Add sign-in method. When prompted, select Microsoft Authenticator as the sign-in method.

3. If you do not already have it, download the Microsoft Authenticator app from the Apple or Google Play store. If you have a different authenticator app you prefer, select "Set up a different authenticator app". Once installed, click Next.


4. Once you download the app, open it. If prompted, allow notifications. Press the + to add an account and select Work or school. If prompted, select Scan QR code. Once ready, press Next.


5. Use the camera on your phone to scan the QR code displayed on your screen.


6. Once scanned, your phone will prompt you for either your phone passcode or facial recognition, if configured. Afterwards, a popup will appear prompting you to enter a number. Enter the 2-digit number displayed on the computer screen.
Note: 97 is only for demonstration purposes. Ensure you enter the number displayed during your setup.

Congratulations! You have configured 2FA for your account. Click Done to exit this setup.

    • Related Articles

    • Microsoft 365 - How to Login for the First Time

      This document walks you step by step to reset your password in Microsoft 365. If you need further assistance with any of the steps below, please contact us (772) 264-4400. 1. Browse to https://www.office.com. 2. Click Sign in and enter your email ...
    • Microsoft OneDrive End-User Guide

      Revision Date: 10/9/2025 This guide provides instruction on how to link your computer(s) with Microsoft OneDrive. OneDrive is a cloud-based file storage solution that not only allows you to create backups of important files in the cloud, but can also ...
    • Adding a Harware Security Key for Microsoft MFA

      Revision Date: 12/19/2025 Scope This article is a guide on how to add a hardware security key as a form of Multi-Factor Authentication (MFA) for your Microsoft account. Prerequisites Have login credentials to Microsoft Account with MFA enabled. If ...
    • Installing AVAILIT Online Backup on Windows.

      When logged into the computer as an "Administrator" that you want the Cloud Backup Software installed: Download the installer from: ...
    • Microsoft OneDrive - Syncing Teams and SharePoint Files with Local Computer

      Revision Date: 3/26/2025 When using collaboration tools such as Teams and SharePoint, you can streamline your workflow by syncing cloud-based files with your local computer. This allows you to modify files on your local computer, and any changes made ...