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 ...

Whether you use Microsoft Excel to help run your invoicing, sales tracking, returns or payment divisions, spreadsheet software may be a daily operation in your business. Excel's workbooks don't just ...

Learn how to sum data across multiple Excel worksheets, whether rows are perfectly aligned or not. Save time and avoid errors ...