Almost every month, I suggest the Subtotal feature to a reader. It's an easy-to-use feature that summarizes data by groups. You define the group and the summarizing function; Excel does the rest ...

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

Adding a condition to a simple revenue sheet might spell trouble in Microsoft Excel, but don't worry--a simple conditional function can handle the request.

There are several reasons to use SUBTOTAL instead of SUM when inserting subtotals in your spreadsheet.

Excel's GROUPBY function lets you group and aggregate data based on certain fields in your table of data. It also offers arguments that allow you to sort and filter your data, so you can tailor the ...

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