Office 365: Activating/Re-activating ProPlus


This article outlines some issues with activating Office 365 Pro Plus and how to fix these issues.


If your installation of Office 365 ProPlus is no longer activated, please follow the steps below to re-activate it.

  • When prompted, click Sign In
  • Click Continue
  • At the Activate Office window enter your username@<your affiliation>.edu
    • For a Faculty or Staff role, this will be one of the following:
    • For a Student role, this will be one of the following:
  • Click Next
  • If you receive the message, "This Computer has been added to your account", press OK and skip the remaining steps.
  • If you are taken to a UNH branded login page
    • Enter your UNH username and UNH Password at the Sign-in Page
  • You will now be Activated

Additional troubleshooting steps:

  • Verify that your account is still active in Office 365 by signing in to  If your account is no longer active, you are no longer entitled to an Office 365 subscription through your UNH account.
  • If you are a UNH VPN user, try the activation steps above while DISCONNECTED from the VPN.
  • Repair your Office 365 ProPlus application.

Need Additional Help?

Please fill out the Microsoft 365 Support webform with as much detail as possible, or contact the ET&S Help Desk team on your local campus.


Article ID: 1386
Fri 7/19/19 6:03 PM
Tue 11/8/22 9:49 AM
Applicable Institution(s):
Granite State College (GSC)
Keene State College (KSC)
Plymouth State University (PSU)
University of New Hampshire (UNH)
USNH System Office