In this article, you'll learn how to use conditional formatting in Excel to automatically change cell colors when a value entered doesn't match the dropdown list. If you've been struggling with errors during data aggregation using the VLOOKUP function, you're not alone. Fortunately, combining the MATCH and ISNA functions offers a simple and effective solution.

As shown in the figure below, when "A1" cell contains 150 and "A2" cell also contains the same number, 150, the calculation result of "=A1-A2" is "0" zero. There are three ways to avoid displaying numbers when the result of the calculation is "0" zero. The result of the calculation is "0" zero...

Conditional formatting is a very useful feature that automatically fills in or changes formatting based on specified conditions. However, many of you may have experienced the problem that conditional formatting takes precedence over manual filling. In this article, we will discuss how to use conditional formatting...