Excel ISERR Function
The ISERR function returns TRUE for any error type (except #N/A) and FALSE otherwise.
Syntax
=ISERR(value)
Arguments
- value (required): The value you want to test if it’s any error but #N/A.
Return Value
The ISERR function returns TRUE or FALSE.
Function Notes
- ISERR is often used with the IF function to display a custom message or perform some other calculations if an error is found, for example, =IF(ISERR(A1),"message"), =SUM(--ISERR(A1:A10)).
Example
Take the table below as an example. To test the values listed in the table if they are any error types but #N/A, please copy or enter the formula below in the top cell, press Enter to get the result, and then drag the fill handle (at the lower right corner of the result cell) down to apply the formula to below cells.
=ISERR(B3)
Related functions
The ISBLANK function returns TRUE if a cell is empty or blank and FALSE otherwise.
The ISERROR function returns TRUE for any error type and FALSE otherwise.
The ISLOGICAL function returns TRUE for a logical value and FALSE otherwise.
The ISNONTEXT function returns TRUE for the #N/A error value and FALSE otherwise.
The ISNONTEXT function returns TRUE for a value that is not text and FALSE otherwise.
The ISNUMBER function returns TRUE for a number and FALSE otherwise.
The ISREF function returns TRUE for a reference and FALSE otherwise.
The ISTEXT function returns TRUE for a value that is text and FALSE otherwise.
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