Microsoft 365 - Sign in to Microsoft 365 Online


  • How do I  sign in to Office 365 on the web?


  • Oregon State University
  • Employee or Student
  • Office 365 Online


This article explains how to sign in to Office 365 to access the Office Online apps or install Office 365 apps.


  1. Visit and choose "Login to Office 365"
  2. At the Microsoft Sign-in window, enter your and click "Next"
  3. On the Oregon State University login page, enter your ONID password and click "Sign in"
  4. Sign in with Duo two-step login when prompted
  5. On the "Stay signed in?" page you can choose "Yes" to reduce the number of times you have to sign in on this computer; please note that this is less secure
  6. After you sign in, you can either use the Microsoft Online programs or choose "Install Office" to install the applications on your device.

For more information, see Office 365 Frequently Asked Questions.


For assistance, contact the Service Desk.

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Article ID: 48991
Thu 2/22/18 1:07 PM
Fri 2/24/23 2:18 PM