Log in to Office 365

This article shares instructions for logging in to the university instance of O365. 


The steps provided here pertain to accessing the online version of available Microsoft applications, including the Outlook Web App (OWA). Before logging in, be sure that you know your NetID and password, and that you are enrolled in NetID+, the university's two-factor authentication solution.


  1. Visit portal.office.com and enter your email address.
  2. User your <netid>@arizona.edu address.  Even if you have multiple UA addresses, such as @cals.arizona.edu or @catworks.arizona.edu, you must use your @arizona.edu address here.

  3.  Select Next.
  4. Choose the Work or School Account option if you are prompted to do so. This option will show if you also have a personal Microsoft Live or Office 365 account that uses your @arizona.edu address, you will be asked which one you want to log in to. 
  5. Enter your NetID and password.
  6. You will be prompted for your NetID+ two factor authentication method. Follow the prompts for Duo Mobile (push, phone call, or passcode, depending on your set up).
  7. The first time you log in, you may be prompted to add security information to ensure that you can recover your account from Microsoft, if needed.
  8. Follow the directions onscreen to add a phone number, email, and/or security questions.
  9. Next, a verification code will be sent to your phone or email that you will need to enter when prompted. 
  10. Once you have completed authentication, you will be routed to your Office 365 homepage and the login process is complete:
  11. You may also wish to visit support.office.com to learn more about using the available applications.