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Clients and mobile in Exchange Online

Exchange Online

Topic Last Modified: 2014-02-13

Many different clients can be used to access information in an Office 365 mailbox. These clients include desktop programs such as Microsoft Outlook, Outlook Web App, and mobile clients such as mobile phones, tablets, and other mobile devices. Each of these clients offers a variety of features.

The following table contains links to topics that will help you learn about and manage some of the clients and client access methods that can be used to access an Office 365 mailbox.


Topic Description

Exchange ActiveSync

Learn about Exchange ActiveSync, the protocol that provides connectivity to a wide variety of mobile phones and tablets. Using Exchange ActiveSync, users can access email, calendar, contact, and task information.

POP3 and IMAP4

Learn about how you can use the POP3 and IMAP4 protocols to provide users access to a number of the features in their Office 365 mailbox. These client protocols can be used on desktop email applications and on many mobile phones and devices.

Outlook Web App

Learn about Outlook Web App, which provides users access to their Office 365 mailbox through a web browser.


Learn about MailTips, the informative messages displayed to users while they're composing a message.

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