It is available in Excel 2007 and higher.Īt first sight, IFERROR looks like a shorthand alternative to the IF ISERROR formula. The IFERROR function is designed to suppress or disguise errors - when an error is found, it returns another value that you specify.In its pure form, ISERROR just tests if the value is an error or not.In Excel 2019 and earlier, you need to press Ctrl + Shift + Enter to create an array formula (don't type curly brackets manually, that won't work!):Īlternatively, you can use the SUMPRODUCT function that handles arrays natively, so the formula can be completed with the usual Enter key in all versions:ĭifference between ISERROR and IFERROR in Excelīoth the ISERROR and IFERROR functions are used to trap and handle errors in Excel. Please note, this works as a regular formula only in Excel 365 and Excel 2021, which support dynamic arrays. The SUM or SUMPRODUCT function can add up the numbers and deliver the final result. For this, "feed" the target range to ISERROR and coerce the returned Boolean values into 1's and 0's using the double unary operator (-). To get the number of errors in a certain column, you need to check a range, not just one cell. If the name appears in column D (no error), return "Yes" or "Qualified". If the name is not available in column D (MATCH returns an error), get the IF function to display "No" or "Not qualified". To do this, use the MATCH function to compare the name in column A against the list of the qualified participants in column D, and then serve the results to ISERROR. In our sample dataset, suppose you are not interested in the exact times, you just want to know which participants from group A are qualified and which are not. IF(ISERROR( formula(…)), " text_if_error", " text_if_no_error") When the VLOOKUP function cannot find the lookup value or fails for any other reason, you display a custom text message by using this syntax: Using ISERROR with VLOOKUP is, in fact, a particular case of the IF ISERROR formula discussed above. Whereas IF ISERROR calculates it twice - first to see if it generates an error and then again if the test is FALSE. It should be noted that the IFERROR formula runs a little faster because it performs the A2/B2 calculation just once. In Excel 2007 and later versions, the same result can be achieved with the help of the inbuilt IFERROR function: To replace all different error codes with a custom text, you can use the following IF ISERROR formula: In the image below, dividing the total by the quantity generates a couple of errors in the Price column: Translated into a human language, it says: if the main formula results in an error, display the specified text or run another calculation, otherwise return a normal result of the formula. IF(ISERROR( formula(…), text_or_calculation_if_error, formula())
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