ISERROR function

This function allows you to test a expression and returns TRUE if your given expression results in an error (#DIV/0, #N/A, #NAME, #NULL!, #NUM!, #REF!, or #VALUE!) and FALSE otherwise.






  • Value (required) – This is the value that is checked for an error.



In this example we test a few values some of which are errors. Only the errors result in TRUE.



About the Author

John MacDougall

John MacDougall

John is a Microsoft MVP and qualified actuary with over 15 years of experience. He has worked in a variety of industries, including insurance, ad tech, and most recently Power Platform consulting. He is a keen problem solver and has a passion for using technology to make businesses more efficient.


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John MacDougall

I’m John, and my goal is to help you Excel!

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