How to Create a Form Using Microsoft Excel 2007. There are several ways to add forms in Microsoft Excel 2007, without the need to learn Visual Basic and type complex code.

You can't use a SUM() function to sum a filtered list, unless you intend to evaluate hidden and unhidden values. Here's how to sum only the values that meet your filter's criteria.

If you need to average a list of values in Microsoft Excel that contain duplicates without including the duplicates, don't fret over a complex expression when you can easily remove those duplicates.