Learn how to use Client Access Rules to control connections to Exchange Online.ĭisable Basic authentication in Exchange Online Remote Connectivity Analyzer tests for Exchange Online Learn about MailTips, the informative messages displayed to users while they're composing a message. Learn about Outlook on the web, which provides users access to their Exchange Online mailbox through a web browser. These client protocols can be used on desktop email applications and on many mobile phones and devices. 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 or Microsoft 365 mailbox. Mobile device mailbox policies in Exchange Online Using Exchange ActiveSync, users can access email, calendar, contact, and task information. Learn about Exchange ActiveSync, the protocol that provides connectivity to a wide variety of mobile phones and tablets. Outlook for iOS and Android in Exchange Online 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 or Microsoft 365 mailbox. Each of these clients offers a variety of features. These clients include desktop programs such as Microsoft Outlook, Outlook on the web (formerly known as Outlook Web App), and mobile clients such as phones, tablets, and other mobile devices. Many different clients can be used to access information in an Exchange Online mailbox.

Outlook web access