How to configure Microsoft Outlook 2013 to access your Zimbra Mailbox using IMAP

Note:  For staff and faculty, please discuss this with your helpdesk before proceeding.   Other methods may be more appropriate.

  1. When you first open Outlook it should prompt you to set up an account.  If it does not, click on the File tab > Info > Add Account.
  2. Select Yes for the question: Do you want to set up Outlook to connect to an email account?
  3. Click on Next.
  4. Select Manual setup or additional server types and click on Next.
  5. Select POP or IMAP and click on Next.
  6. Enter your account information:
    • Your name:  enter your name as it will appear on outgoing mail
    • E-mail address:  enter your IAS email address (
    • Account type:  select IMAP
    • Incoming mail server:  enter
    • Outgoing mail server:  enter
    • User Name:  enter your IAS username
    • Password:  enter your IAS password
    • Remember password:  if you don't want to type in your password whenever Outlook opens, check this box.
  7. When everything is filled out, click on More Settings...
  8. Under the Outgoing Server tab, select My outgoing server (SMTP) requires authentication.
  9. If not already selected, select Use same settings as my incoming mail server.
  10. Under the Advanced tab:
    • In the Incoming Server area, choose SSL for the type of encrypted connection, and change the port number to 993.
    • In the Outgoing Server area, choose TLS for the type of encrypted connection, and change the port number to 587.
  11. Click Next.
  12. Click Finish.