Multiple people working on the same business project can increase productivity and speed up progress. In Microsoft Excel, several people can update a shared workbook at the same time. Excel makes ...

If you've have lots of data and lots of analysis to do, but little time or skill, you need Excel's Power Pivot feature. Here's how to get started with it.

A complex Excel 2007 workbook could require multiple sheets. By default, Microsoft provides three sheets on each workbook, but you can add as many as you need.