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 command allows you to quickly create subtotals in your sorted data, and then collapse the view to to show only the new subtotal rows. When you try to copy the subtotals by themselves, ...

Q: I use Excel’s Group tool to expand and collapse our employees’ weekly timesheet data, but it takes forever to group each section individually for each of my 300-plus employees. Can you tell me how ...