Skip to main content

Outlook on the web - Email & Calendar

Outlook on the web is the web-based version of email offered at CU Boulder for Faculty, Staff and Students. While you can also use an email client on your computer or mobile device, Outlook on the web is a great option for users used to using a browser-based client like Gmail.

Microsoft 365 Login & Multi-Factor Authentication

Access your Microsoft 365 online applications with a combination of your and IdentiKey password. Please note: only will work for accessing Microsoft 365 applications, not the common preferred email address format of (as shown below).

Microsoft login with identikey-correct

microsoft login w first last - wrong

CU Boulder faculty, students, and staff are required to log in to Microsoft 365 using Multi-factor authentication. Multi-factor authentication (MFA) increases account security by requiring multiple forms of verification to prove your identity when signing into an application. Visit OIT's MFA page for more information, set up instructions, and frequently asked questions about MFA.


Email Features

Outlook on the web provides easy and efficient access to email. Visit Microsoft's Get to Know Outlook on the web page to learn about basic operations, and refer to the following tutorials for more information about Outlook features.  

Email tutorials

Calendar Features

Calendars in the Outlook on the web have many useful features that integrate with other Microsoft 365 products. Refer to the following list of tutorials for more information.

Calendar tutorials

Best Practices

OIT has put together some suggestions for Best Practices while using Outlook. These are not required actions, but tips for getting the most out of Exchange Online. Visit the Exchange Online Calendaring Best Practices page for more.