Article ID: 197645 - View products that this article applies to.
NOTE: These procedures only apply if you have installed Outlook with the Internet Mail Only option. To determine your installation type, click About Microsoft Outlook on the Help menu. If you have the Internet Mail Only option installed, you see "Internet Mail Only".
For information about the differences between Microsoft Outlook and Microsoft Outlook Express e-mail clients, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/257824/EN-US/ )OL2000: Differences Between Outlook and Outlook Express
This article describes the steps necessary for you to send and receive mail using an IMAP4 server.
Like POP3, the IMAP4 protocol uses port 25 (SMTP) to send mail, but an IMAP4 server uses port 143 to listen for mail.
Unlike POP3, IMAP4 allows you to store your messages by default on the server, instead of downloading them locally.
To configure Outlook as an IMAP4 client, follow these steps:
For more information about Internet mail, please see the following article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/195578/EN-US/ ): OL2000: (IMO) How to Set Up Internet Mail Accounts
Article ID: 197645 - Last Review: June 22, 2014 - Revision: 5.0