This document provides an overview of managing multiple worksheets and workbooks in Microsoft Excel 2010. It discusses how to group worksheets so formatting and formula changes can be applied to all at once. It also covers using 3D references to summarize data across worksheets, linking workbooks to share updated data, and creating hyperlinks and templates to navigate within and between workbooks. The document concludes with information on saving workbooks to SkyDrive and using the Excel Web App for online editing.