While we do not mandate use of specific email and calendaring applications, we recommend that you use ones that are well-supported by your college, school, unit, or the UT Service Desk. These typically include:
Other clients may be unsupported or may not be approved for use with Microsoft 365.
Outlook is the user-facing email and calendaring service in Microsoft 365, powered by Exchange Online. It's designed to provide secure and reliable access to email, calendars, and contacts from anywhere, on any device.