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 ...

When working with spreadsheets in Microsoft Excel, you might find yourself needing to add up business data from cells across multiple spreadsheets. It is possible to make the Sum Excel formula ...

Last week I told you how to add a tabbed e-mail view to Microsoft Outlook. Cool, right? Of course, that probably left you salivating for tabs in other areas of Office, namely Word, Excel, and ...