1. Click on Settings
2. Click on Mail, Contacts, Calendars
3. Click on Add Account
4. Click on Exchange

Use the following settings:

Email: Your Columbia email Address (typically uni@columbia.edu)
Username: Your Alpha/Exchange Username (typically alpha\uni)
Password: Your Alpha/Exchange Password
Description: Give a name to your email account (this may populate automatically)

Click Next and Accept the Certificate Message

Server: outlook.cuit.columbia.edu

Click Next and select your Exchange synchronization settings for Mail, Contacts, Calendars

Click Save