The Microsoft Exchange Server 2010 and Outlook 2010 Standards Documentation was recently made available to download.
Brief Description
The Exchange Server 2010 and Outlook 2010 Standards Documents describe Microsoft Exchange Server 2010 and Outlook 2010 support for industry messaging standards and Requests for Comments (RFCs) related to iCalendar, IMAP4, and POP3.
Overview
The Microsoft Exchange Server 2010 and Outlook 2010 Standards documentation is intended for use in conjunction with publicly available standard specifications and network programming art, and assumes that the reader either is familiar with the aforementioned material or has immediate access to it. A protocol specification does not require the use of Microsoft programming tools or programming environments in order for you to develop an implementation. If you have access to Microsoft programming tools and environments you are free to take advantage of them.