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. This ...

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

Have you ever found yourself staring at an Excel spreadsheet, trying to figure out how to make sense of all the numbers and data? Maybe you’ve spent hours manually calculating groups, splitting dates, ...

Add Yahoo as a preferred source to see more of our stories on Google. If you have three or more rows of data, chances are, you'll need to summarize those values in some way. Summarizing is one of the ...

Move beyond the basics of sums and averages. These tips open up all kinds of opportunities for working with spreadsheet data. Editor’s Note: This article was originally published in Sept. 2012 and the ...