Microsoft Office has evolved from a suite of personal productivity products to a more comprehensive and integrated system. Building on the familiar tools that many people already know, the Microsoft Office System includes programs, servers, services, and solutions designed to work together to help address a broad array of business problems.

The following two electronic books (PDF) may be downloaded from Microsoft for free:

Download: First Look 2007 Microsoft Office System
Download: 7 Development Projects for Microsoft Office SharePoint Server 2007 and Windows SharePoint Services Version 3.0
Homepage: Microsoft Office System