Microsoft 365 Mail

Email Address:

• Default email address:
  • Staff – standard staff email address
  • Department / Project – computing-ID@cuhk.edu.hk
• Can be changed at https://cai.itsc.cuhk.edu.hk/alias/ 
• User Guide – 

Mailbox Size:

• Staff: 50 / 100GB
• Department / Project: 50GB

User Profile: You can update your profile information like contact phone, title, address and display name at Update Microsoft 365 Staff Profile
Size Restriction on each Message (including attachments): 25MB
Mailbox Valid until: 1 working day after staff appointment end date / project account expiry date

Here are quick guides for you to check emails or access your mailbox across devices and other email services.

Questions below have been frequently asked:

• Mail Size, Receiving/Sending Limit and General settings?
• Mail Folders, Suspected Mail Lost and Blocked attachments in Outlook?
• Forwarding and Auto-Reply settings?
• …And more

Please click here for the full version of FAQs.