Microsoft Excel 2010 provides a formula for calculating the average value from multiple worksheets in a workbook. Before you apply this formula, check that each worksheet is formatted the same way.

Microsoft's program is capable of far more than you might imagine. Here are the hacks and tricks you need to know to make the ...

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. Clicking the "Insert Worksheet" button ...

Microsoft Excel has been the premier spreadsheet software for decades, since outdoing the once venerable Lotus 1-2-3, the first killer app for PCs in the 1980s. And Excel's dominance has yet to be ...