DUO Instructions

New User Set UpOpens in new window
Student InstructionsOpens in new window
DUO for O365Opens in new window

Need IT Help?

24/7 Student IT Help Desk
Call: 657-278-8888
Email: studentithelpdesk@fullerton.edu
Chat: Via the Portal, Online IT Help

Student Two-Factor Authentication

If you are a Faculty/Staff, please visit the Faculty/Staff Two-Factor Authentication webpage

All currently enrolled students are required to use DUO Two-Factor Authentication (2FA). 

 This cybersecurity feature prompts students to confirm their identity before signing in to the campus Portal and other campus resources. This will be done by authenticating with DUO, 2FA tool, via your cell phone, mobile app or personal email address.

Microsoft Office 365 login to require DUO 2FA

DUO Two-Factor Authentication (2FA) will be required when logging in to applications which require Microsoft login. This is to expand the use of Duo security to other applications such as Word, Excel, Outlook, Adobe Creative Cloud, etc

Please follow our DUO for O365 User GuideOpens in new window  to update your Apps with DUO Authentication.

Which Apps are affected?

Below is a list of affected apps:

  •  Outlook (PC, Mac, iOS, Android)
  • Microsoft Office desktop, mobile, and online apps (e.g., Word, Excel, PowerPoint, OneNote, MS Teams)
  • Other Web Apps (e.g., Adobe.com, Adobe Sign, and Smartsheet)
  • Adobe Creative Cloud
  • Splashtop

Apps we no longer support
Please use Outlook Mobile Apps downloaded on the Apple App Store and Google Play Store

  • iOS mail
  • Android mail
  • Thunderbird

 Learn more about DUO SECURITY