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
  • Guideline of email alias definition (Staff account)
  • Guideline of email alias definition (Department / Project / Student Organization account)

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:

• The maximum size of each message (including attachments) is 25 MB.
• Blocked file types in email attachment
• Sending Limit for Office 365 Education
• Display Name Standard (for staff accounts only)
• How to recover deleted items or email
• Backup email for task handover