## How to use the ISERROR function

The ISERROR function returns TRUE if a cell returns an error.

#### Table of Contents

## 1. ISERROR Function Syntax

ISERROR(*value*)

## 2. ISERROR Function Arguments

value |
Required. The value you want to check for an error. |

## 3. ISERROR Function Example

Formula in cell D3:

=ISERROR(B3)

The IFERROR function introduced in Excel 2007 is more useful, in my opinion. It allows you to define an error value, check it out.

### 'ISERROR' function examples

The following 25 articles contain the ISERROR function.

Automate Excel: Update list with new values

Overview Updating a list using copy/paste is a boring task. This blog article describes how to update values in a price […]

Overview Updating a list using copy/paste is a boring task. This blog article describes how to update values in a price […]

AVERAGE ignore NA()

The AVERAGE function ignores empty cells, text values, and boolean values automatically, however, it doesn't handle error values. The AVERAGE […]

The AVERAGE function ignores empty cells, text values, and boolean values automatically, however, it doesn't handle error values. The AVERAGE […]

Count weekday within date range except holidays

Steve asks: Right now I'm using the following formula to tell me how many of a specific defined day, ie […]

Steve asks: Right now I'm using the following formula to tell me how many of a specific defined day, ie […]

Create a random playlist

This article describes how to create a random playlist based on a given number of teams using an array formula. […]

This article describes how to create a random playlist based on a given number of teams using an array formula. […]

Extract a list of duplicates from a column

The array formula in cell C2 extracts duplicate values from column A. Only one duplicate of each value is displayed […]

The array formula in cell C2 extracts duplicate values from column A. Only one duplicate of each value is displayed […]

Extract a list of duplicates from two columns combined

The following regular formula extracts duplicates from column B (List1) and column D (List2) combined, the result is shown in […]

The following regular formula extracts duplicates from column B (List1) and column D (List2) combined, the result is shown in […]

Extract a unique distinct list from two columns

Question: I have two ranges or lists (List1 and List2) from where I would like to extract a unique distinct […]

Question: I have two ranges or lists (List1 and List2) from where I would like to extract a unique distinct […]

Extract unique distinct values from a relational table

In this post, I am going to show you how to extract unique distinct values and duplicates using a formula, […]

In this post, I am going to show you how to extract unique distinct values and duplicates using a formula, […]

Filter records based on a date range and a text string

Murlidhar asks: How do I search text in cell and use a date range to filter records? i.e st.Dt D1 […]

Murlidhar asks: How do I search text in cell and use a date range to filter records? i.e st.Dt D1 […]

Fuzzy vlookup [Array formula]

This formula returns multiple values even if they are arranged differently or have minor misspellings compared to the lookup value.

This formula returns multiple values even if they are arranged differently or have minor misspellings compared to the lookup value.

Highlight empty cells

Table of Contents Highlight empty cells Explaining CF formula How to apply conditional formatting Formulas returning nothing Cells with hidden […]

Table of Contents Highlight empty cells Explaining CF formula How to apply conditional formatting Formulas returning nothing Cells with hidden […]

Highlight lookups in relational tables

This article demonstrates a worksheet that highlights lookups across relational tables. I am using Excel defined Tables, if you add […]

This article demonstrates a worksheet that highlights lookups across relational tables. I am using Excel defined Tables, if you add […]

How to create a unique distinct list based on two conditions

Question: How do I create a unique distinct list where other columns meet two criteria using excel array formula? Answer: […]

Question: How do I create a unique distinct list where other columns meet two criteria using excel array formula? Answer: […]

How to extract email addresses from an Excel sheet

Question: How to extract email addresses from this sheet? Answer: It depends on how the emails are populated in your worksheet? […]

Question: How to extract email addresses from this sheet? Answer: It depends on how the emails are populated in your worksheet? […]

How to highlight differences in price lists

Today I am going to show you how to quickly compare two tables using Conditional Formatting (CF). I am going […]

Today I am going to show you how to quickly compare two tables using Conditional Formatting (CF). I am going […]

How to search for a string in a column

Question: How do i create a flexible search formula to search a list? Answer: The following formula let´s you search […]

Question: How do i create a flexible search formula to search a list? Answer: The following formula let´s you search […]

Identify missing numbers in a column

The image above shows an array formula in cell D6 that extracts missing numbers i cell range B3:B7, the lower […]

The image above shows an array formula in cell D6 that extracts missing numbers i cell range B3:B7, the lower […]

Lookups in relational tables

Excel 2010 has a PowerPivot feature and DAX formulas that let you work with multiple tables of data. You can […]

Excel 2010 has a PowerPivot feature and DAX formulas that let you work with multiple tables of data. You can […]

Merge two columns

The picture above shows how to merge two columns into one list using a formula. Table of Contents Merge two […]

The picture above shows how to merge two columns into one list using a formula. Table of Contents Merge two […]

SUMPRODUCT if not blank

This article describes ways to work with the SUMPRODUCT function and blanks, error values, N/A# errors. Table of Contents SUMPRODUCT […]

This article describes ways to work with the SUMPRODUCT function and blanks, error values, N/A# errors. Table of Contents SUMPRODUCT […]

Text to columns: Split words in a cell

This blog article describes how to split strings in a cell with space as a delimiting character, like Text to […]

This blog article describes how to split strings in a cell with space as a delimiting character, like Text to […]

True round-robin tournament

Mark G asks in Create a random playlist in excel: Can this example be modified to create a true round-robin […]

Mark G asks in Create a random playlist in excel: Can this example be modified to create a true round-robin […]

Two-dimensional lookup using two tables

The following formula performs a two-way lookup in two different tables.

The following formula performs a two-way lookup in two different tables.

What values are missing in List 1 that exists i List 2?

This article shows how to compare two nonadjacent cell ranges and extract values that exist only in one of the […]

This article shows how to compare two nonadjacent cell ranges and extract values that exist only in one of the […]

Working with three relational tables

I will in this article demonstrate four formulas that do lookups, extract unique distinct and duplicate values and sums numbers […]

I will in this article demonstrate four formulas that do lookups, extract unique distinct and duplicate values and sums numbers […]

## Functions in this article

### Functions in 'Information' category

The ISERROR function function is one of many functions in the 'Information' category.

Gets information about the formatting, location, or the contents of a cell.

Returns a number that represents one of the error values in Excel.

Returns information about the current operating environment, file path, number of active worksheets, Excel version etc.

Returns TRUE if the argument is an empty cell, returns FALSE if not.

Returns TRUE if a cell returns an error, except error value #N/A.

Returns TRUE if a cell contains an error.

Returns TRUE if a cell contains a formula, FALSE if text, number or boolean value.

Returns TRUE if value is boolean. A boolean value is either TRUE or FALSE.

Returns TRUE if value is a #N/A error.

Returns TRUE if value is not text, also returns TRUE if cell is empty.

Checks if a value is a number, returns TRUE or FALSE.

Returns TRUE if a cell contains an odd number, FALSE if even number.

Returns TRUE if value refers to a reference.

Returns TRUE if argument is text.

Returns a value converted into a number.

Returns the error value #N/A meaning "value is not available".

Returns the sheet number of the cell reference sheet.

Returns the number of sheets in a reference.

Use TYPE to find out what type of data is returned by a function or formula.

### Excel function categories

Excel functions that let you resize, combine, and shape arrays.

Functions for backward compatibility with earlier Excel versions. Compatibility functions are replaced with newer functions with improved accuracy. Use the new functions if compatibility isn't required.

Perform basic operations to a database-like structure.

Functions that let you perform calculations to Excel date and time values.

Let's you manipulate binary numbers, convert values between different numeral systems, and calculate imaginary numbers.

Calculate present value, interest, accumulated interest, principal, accumulated principal, depreciation, payment, price, growth, yield for securities, and other financial calculations.

Functions that let you get information from a cell, formatting, formula, worksheet, workbook, filepath, and other entitites.

Functions that let you return and manipulate logical values, and also control formula calculations based on logical expressions.

These functions let you sort, lookup, get external data like stock quotes, filter values based a condition or criteria, and get the relative position of a given value in a specific cell range. They also let you calculate row, column, and other properties of cell references.

You will find functions in this category that calculates random values, round numerical values, create sequential numbers, trigonometry, and more.

Calculate distributions, binomial distributions, exponential distribution, probabilities, variance, covariance, confidence interval, frequency, geometric mean, standard deviation, average, median, and other statistical metrics.

Functions that let you manipulate text values, substitute strings, find string in value, extract a substring in a string, convert characters to ANSI code among other functions.

Get data from the internet, extract data from an XML string and more.

## Excel categories

Latest updated articles.

More than 300 Excel functions with detailed information including syntax, arguments, return values, and examples for most of the functions used in Excel formulas.

More than 1300 formulas organized in subcategories.

Excel Tables simplifies your work with data, adding or removing data, filtering, totals, sorting, enhance readability using cell formatting, cell references, formulas, and more.

Allows you to filter data based on selected value , a given text, or other criteria. It also lets you filter existing data or move filtered values to a new location.

Lets you control what a user can type into a cell. It allows you to specifiy conditions and show a custom message if entered data is not valid.

Lets the user work more efficiently by showing a list that the user can select a value from. This lets you control what is shown in the list and is faster than typing into a cell.

Lets you name one or more cells, this makes it easier to find cells using the Name box, read and understand formulas containing names instead of cell references.

The Excel Solver is a free add-in that uses objective cells, constraints based on formulas on a worksheet to perform what-if analysis and other decision problems like permutations and combinations.

An Excel feature that lets you visualize data in a graph.

Format cells or cell values based a condition or criteria, there a multiple built-in Conditional Formatting tools you can use or use a custom-made conditional formatting formula.

Lets you quickly summarize vast amounts of data in a very user-friendly way. This powerful Excel feature lets you then analyze, organize and categorize important data efficiently.

VBA stands for Visual Basic for Applications and is a computer programming language developed by Microsoft, it allows you to automate time-consuming tasks and create custom functions.

A program or subroutine built in VBA that anyone can create. Use the macro-recorder to quickly create your own VBA macros.

UDF stands for User Defined Functions and is custom built functions anyone can create.

A list of all published articles.

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