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

There are a few ways to count the number of items in an Excel list, depending on the data you have. In this tutorial, learn how to count items in Excel using the COUNTIF and SUBTOTAL functions.

Excel does not have a built-in feature to sum or count cells by color, but this can be achieved using three methods: Filtering with Subtotal, Name Manager with Helper Columns, or Custom VBA Functions.