Published: April 30, 2020

MFA for O365 will go live using Duo Security on Tuesday, May 26, 2020. MFA for O365 significantly strengthens security when students, faculty and staff connect to Office 365 applications (including Outlook) remotely.  OIT communicated that some older devices and browsers may stop working when Modern Authentication (Modern Auth) is required by Microsoft for secure application access. To help make decisions about how to most effectively use available tools to access university resources remotely and to prepare for the upcoming MFA for O365 changes find more information at:

Supported Browsers and Operating Systems on our CU Secure and Multi-factor Authentication page

How do I…Check my Browser Version quick reference guide, and

How do I…Check my Device’s Operating System quick reference guide.

These resources will help determine that the devices you use to connect to university resources are up-to-date and able to access your work and learning when not on campus. If you have any questions or would like assistance with determining whether your devices will be compatible with the changes in Microsoft authentication, please contact the OIT Service Desk at 303-724-4357 (4-HELP) or