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Illinois State University

Unable to Log in to Office 365

Illinois State University’s Office 365 email can be accessed through the web and with Microsoft Outlook, as well as mobile devices. Office 365 email is the primary campus email and calendaring service for campus.


You are unable to log in to the Office 365 website, which is located at


To log in to the Office 365 website, you must use your Illinois State University email address (e.g., and password. Unlike most other systems at the University, the Office 365 website requires you to provide your full email address, rather than your ULID (the first part of your email).

Illinois State Email Address

When you attempt to log in to the Office 365 website, make sure you are using your Illinois State email address as your user name. You must use (not

For example, Reggie Redbird wants to log in to the Office 365 website. He would enter as his user name to log in. Reggie cannot use

Check to Make Sure Your Password is Working

Your Office 365 email password is the same password you use for all other Illinois State University sites. You can check to make sure your password is working by trying to log in to your email at If you cannot log in to your email or other systems, try changing your password or going through account recovery to reset your password. To update/reset your password, navigate to and first try logging in. If you’re still unable to log in, you can click the Forgot My Password option. For more information about changing your password or account recovery, see 261: How do I reset my password?.

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