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 ...

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

Summarizing data is a common task in Excel, and there's usually more than one way to do so. Susan Harkins explains three ways to return averages for multiple groups.

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

The SUBTOTAL Function Microsoft Excel's SUBTOTAL function is quite simple to use. It lets you perform subtotal calculations for ranges of cells, and you can decide whether you want to include ...

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.

Almost all of them are going to use MID and FIND to key off the space and then figure out how many digits are in the minutes (Length - location of space -1 for the "m" might do the trick).