Susan Harkins shows you how to visually identify invalid dates using Excel's conditional formatting feature.

Whether you're comparing a single list or several, Excel's conditional formatting can get the job done.

A row-by-row formatting rule is as easy to apply as a column-by-column in Microsoft Excel, but you might not get the results you thought you would.

Microsoft's Excel software is one of the best tools for you to organize, analyze, and manipulate data. Here are three ways to compare data in two columns.