University Email Services
Service provided by Computing Services Centre

CityU Email Service for Student and Alumni on Microsoft Office 365 (O365)

Read The Following Important Notes Before You Logon:

  1. O365 Account Name and Email Address are different:

     O365 Account Name
     Email Address

  2. At the O365 Sign-in page, enter your O365 Account Name in the following format

       <EID>           (NOT your email address <EID>

        Eg. If your EID is cctom2, your O365 Account Name is

        What are my O365 Account Name (for logon), Password and Email Address?

  3. If you have any logon questions, DO NOT click on "Forgot my password" or "reset it now". Please contact CSC Service Counter at 4/F, Li Building (Tel:3442 8340) or send email to


Now, you can click this link to go to O365 Sign-in page.

(Enter to log on, NOT @my)