Microsoft Exchange

Messaging and groupware software for Windows from Microsoft. Exchange Server is an Internet-compliant e-mail system that runs under Windows NT/2000 and Windows Server 2003. It can be accessed by Web browsers, the Exchange client, versions of Outlook and the earlier Windows Inbox. Exchange Server also stores files for sharing.

The Clients
The Exchange client includes e-mail, server based rules, forms design, threaded discussions and group calendaring and scheduling. The Inbox is a limited version of the Exchange client that was included on Windows 95 and NT/2000 desktops.

Microsoft's Outlook is also an Exchange client with features such as rich forms design, group contact and task management, journaling (tracking hourly billing), message recall (unread messages can be pulled back), shared folders and freeform notes. See WINMAIL.DAT.

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(messaging)

Microsoft Exchange - Microsoft's messaging and enterprise collaboration server. Exchange's primary role is as an electronic mail message store but it can also store calendars, task lists, contact details, and other data.