The University of Waterloo has three main web interfaces for email

Office 365 email

Office 365 Logo

The majority of University of Waterloo students and employees will use Office 365 email, a cloud-based email and calendar service provided by Microsoft Office 365 Education. Alumni who graduated after 2016 will also use Office 365 email.

See Getting started with Office 365

See support articles for Office 365

Recently migrated to Office 365? See the post-migratration support article in the IST Knowledge Base.


Connect (on-premises) | Mailservices

Log in to Connect


Outlook Web App (OWA) for access to on-premises Microsoft Exchange Server system for faculty, staff, and graduate students.

Get Started with Connect

log in to Mail Services

Mail Services

For alumni who graduated before 2016.

Important notes about email at Waterloo

  • If you are corresponding with other members of the University community, it is expected that you use your University of Waterloo account ( See Official Student Email Address.
  • Visit the IST Service Catalogue for information about Microsoft Office 365 Education, including training and support resources.
  • Beware of phishing attacks and other suspicious emails. The University of Waterloo will never send you an email asking for personal information or passwords. Phishing emails are designed to steal your identity. They ask for personal data, or direct you to websites or phone numbers to call, where they ask you to provide personal information (such as name, address, account information, passwords, etc...).

See the Guidelines on Use of Email for more information and other recommendations.