Learn how to use Excel's Subtotal feature to quickly add summarizing rows to your data.

Excel's Subtotal feature can render quick results when you need simple grouping calculations. Susan Harkins shows you how this powerful feature works.

Accept defaults ("Microsoft Office Excel list or database" and "PivotTable") and click Next. You can come back later and choose PivotChart report to make pretty charts for the PHBs.

This is the demonstration file to accompany the article, How to calculate conditional subtotals in an Excel revenue sheet, by Susan Harkins.

Adding a drop-down list in Excel is a quick and efficient way to choose predefined data. Here's how to create a drop-down list in Microsoft Excel.