1. In Outlook click Tools then Email Accounts..., then select Add a new directory or address book
   
   
   

2. Click Next, select Internet Directory Service (LDAP), and click Next.>



3. Enter in ldap.columbia.edu as the Server Name and then click More Settings....
   
   
4. Select the Search tab, and enter the Search base: o=Columbia University, c=us and click OK
   
   

Restart Outlook after adding the ldap address book

1. To access it, make a new email message, click on To:. Select ldap.columbia.edu from the Show Names from the: field.
   
   
2. Click Advanced --> Find....
   
   
3. Enter in the First Name and Last Name and click OK. Note: You can not use the Display Name field.