

Learn about how users can access their Exchange mailbox by using email programs that use POP3 or IMAP4. Using Exchange ActiveSync, users can access email, calendar, contact, and task information. Learn about the protocol that provides connectivity to a wide variety of mobile phones and tablets. (This feature was formerly known as RPC/HTTP.)

Learn about the earlier client access method that provides connectivity to Outlook.

Learn about the latest client access method that provides connectivity to Outlook. The following table contains links to topics that will help you learn about and manage some of the clients and client access methods that you can use to access your Exchange mailbox. Each of these clients offers a variety of features. These clients include desktop programs such as Outlook, Outlook on the web (formerly known as Outlook Web App), and mobile clients such as mobile phones, tablets, and other mobile devices. There are many different clients that you can use to access information in an Exchange mailbox.
