Excel ISERR Function

This tutorial demonstrates how to use the Excel ISERR Function in Excel to test if a cell results in an error (excluding #N/A).

ISERR Main

ISERR Function Overview

The ISERR Function Test if cell value is an error. Ignores #N/A. Returns TRUE or FALSE.

To use the ISERR Excel Worksheet Function, select a cell and type:
iserr formula syntax

(Notice how the formula inputs appear)

ISERR Function Syntax and Inputs:

value – The test value

 

How to use the ISERR Function

The ISERR Function checks if a calculation results in any error, except the #N/A error.

ISERR

ISERROR, ISERR, and ISNA

There are two other error checking “is” functions:

ISNA ISERR

There are also the IFERROR and IFNA Functions that test for errors, allowing you to do something if an error is found.

ISERROR IFNA

Other Logical Functions

Excel / Google Sheets contain many other logical functions to perform other logical tests. Here is a list:

IF / IS Functions
iferror
iserror
isna
iserr
isblank
isnumber
istext
isnontext
isformula
islogical
isref
iseven
isodd

ISERR in Google Sheets

The ISERR Function works exactly the same in Google Sheets as in Excel:

ISERR Google

ISERR Examples in VBA

You can also use the ISERR function in VBA. Type:
application.worksheetfunction.iserr(value)
For the function arguments (value, etc.), you can either enter them directly into the function, or define variables to use instead.

Return to the List of all Functions in Excel