Installing Microsoft Office for Mac from the Office 365 portal

This KB Article References:
This Information is Intended for:
Instructors, Staff, Students

You can download the latest suite of Microsoft Office applications from the Office 365 portal for up to 5 devices. 

Requirements

To install Office for Mac you will need

Access Installation Options

  1. Before beginning, uninstall any trial versions of Microsoft Office that may exist on your computer
  2. Go to Microsoft 365 portal
  3. Enter your Stony Brook Email Address as username and select Sign In (don't enter a password yet)
    Office 365 sign i nscreen with bob.smith@stonybrook.edu in the first fields and the password field blank with a Sign in button below.
  4. In the Authentication Required window, enter your campus email address and NetID password and then select Log In
    authentication window with bob.smith@stonybrook.edu entereed for user name and password
  5. In the upper right hand corner, click Settings gear icon and select Office 365 Settings
     Office 365 settings selected from setting gear menu
  6. Select Install and manage software
     Install and manage software from the General settings menu

Install Office 2016

  1. After Office downloads, double-click Microsoft_Office_2016_Installer.pkg (in Downloads)
    Screenshot of the downloaded Office package (pkg) file
  2. Click Install below Install Office 2016 for Mac
    Screenshot of the Install Office for Mac 2016
  3. Follow the steps in the Microsoft Office 2016 for Mac Installer to complete the installation (if your computer has a password, you'll be prompted to enter it). 
    Screenshot of the Install Office 2016 welcome screen
  4. When complete, the "You're almost done message" will display. Select Close to continue.
    Screenshot of the final Office installation screen showing the close button.
  5. A What's New in Word window will display. Select Get Started.
    Screenshot of the Whats New in Word screen which provides an initial overview of the latest features. 
  6. Sign In (if you have trouble signing in, change your NetID Password and try again):
    1. Select Sign in to Activate Office
      Office Sign in with Sign in button 
    2. Enter you Stony Brook email address in the box and select Next
       Screenshot of the Sign In screen that appears when attempting to activate office.
    3. If prompted, select Work account (and/or Work or school account)
    4. In the adfs.cc.stonybrook.edu Sign In window, enter your NetID and NetID password and select Sign In
      sign in with user name and password fields
  7. Choose Office Look preferences and select Continue
    Office look options: Colorful (selected) and Classic
  8. Select Start Using Word
    You're All Set
This Content Last Updated:
01/28/2026

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This KB Article References:
This Information is Intended for:
Instructors, Staff, Students
Estimated Read Time:
1 minutes
This Content Last Updated:
01/28/2026