This way, you can also read your E-Mails offline at any time, for example if you are on the train. The messages are then deleted from the server. POP3 Using POP3 downloads and saves your E-Mails to your Outlook. Each time you read an E-Mail, a copy is downloaded from the server. IMAP Using IMAP saves your E-Mails on the server. Now choose between a POP3 or IMAP account. Adding an E-Mail accountĪ menu containing several options appears. In the Outlook menu, select «Preferences» and then «Accounts» to manage your E-Mail accounts. Choosing the account type: POP3 or IMAP.If you have created an E-Mail address in the Control Panel, you can configure this account in Outlook for Mac OS X. Step-by-step instructions for configuring your E-Mail account in Outlook for Mac OS X.