Web Login to on Microsoft 365 (M365)

At the Staff M365 Sign-in page, please enter your CityU Staff M365 account in the following format:


If you have any login questions, DO NOT click on "Forgot my password".
For enquiries, please contact IT Service Desk at +852 3442-8340 or email to

You can click this link to go to the Staff M365 Sign-in Page now:

The use of the above Email services is governed by the University's "Policies on Use of IT Services & Resources".