What is Exchange/Outlook?

Microsoft Exchange Server is a mail server and calendaring server developed by Microsoft. It primarily uses the proprietary MAPI protocol, but also supports POP3, IMAP, and EAS. Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used as an email application, it also includes a calendar, task manager, contact manager, note-taking, journal, and web browsing. Outlook can be used with Exchange Server, allowing for centralized email and calendar management for organizations.