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 ...

Did you know that Excel’s GROUPBY function is hiding a treasure trove of advanced capabilities that most users never tap into? Excel Off The Grid explains how this seemingly straightforward function ...

1. Is there a way to subtotal large volumes of numbers in Excel 2010, while ignoring the values contained in hidden rows? 2. What is the best way to subtotal data in Excel 2010 that contain ...