How to set up my Exchange Online email account on an iPhone/iPad?

Please refer to Remove an email account if you need to remove an account on your iPhone.

Setup an Exchange account with your iOS mail app

1. Select Settings
2. Select Passwords and Accounts
   
   
3. Select Add account
   
4. Select Exchange
5. Sign in your email address and your password
6. Follow the intuitive instructions to complete the remaining steps and save the settings for Contacts, Calendars, etc.
   

Manual Setup

Use the following settings for your email apps:

• Email : username@ust.hk
• Domain : 
• Username : username@ust.hk
• Password : ********
• Server : outlook.office365.com
• Security Type: SSL
• Port: 443
  e.g. email account exst01@ust.hk: