How to Sum Across Worksheets in Microsoft Excel. Using multiple sheets in the same Excel workbook helps organize data into distinct categories. For example, you might have sales data for each of ...

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 ...

Just an odd one, but a coworker asked me, and frankly, I can't come up with an answer to it.How do you add multiple worksheets to a workbook in Excel '97 ...