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Cornell University

Outlook on the Web

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Outlook on the web can be used by anyone whose account is on Microsoft's Office 365 service.

You can choose to use Outlook on the web exclusively. Or you can use it when you're away from your own computer and use another email application, such as Outlook or Apple Mail, the rest of the time.

Log in to Outlook on the web.

Supported Browsers

Windows 11 and Windows 10: Mozilla Firefox, Google Chrome, Microsoft Edge

macOS (10.10 or later) Apple Safari 10+ or Google Chrome. Mozilla Firefox should also work, but some features may be unavailable.

Linux: Mozilla Firefox and Google Chrome should work, but some features may be unavailable.

For the latest information, see Microsoft's page on supported browsers.

Support Contact:

Cornell IT Service Desk

Normal Business Hours: Monday-Friday, 8am-6pm (Eastern Time)
Emergency Service Disruptions: After Hours Support

Service Details:


Outlook on the web is a service for Cornell faculty, staff, and students to access their email and calendar on the web. It works with most browsers, including Chrome, Firefox, Safari, and Edge.


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