ISERR function

This function allows you to test an expression and returns TRUE if your given expression results in any error apart from #N/A. For this function the #DIV/0, #NAME, #NULL!, #NUM!, #REF!, or #VALUE! errors all result in TRUE and the #N/A error or any other value results in FALSE.

Syntax

ISERR(Value)

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

Example

In this example we test a few values some of which are errors. Notice the #N/A error results in FALSE while the other errors result in TRUE.

=ISERR(A2)

ISERR

About the Author

John MacDougall

John MacDougall

John is a Microsoft MVP and freelance consultant and trainer specializing in Excel, Power BI, Power Automate, Power Apps and SharePoint. You can find other interesting articles from John on his blog or YouTube channel.

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