Very often you have to work with huge tables of data in Excel. There is a hard thing to cope with such a mess. In this lesson you will teach yourself how to count a number of errors in your sheet.

To count number of errors in Excel you can use such a formula:

**{=SUM(IF(ISERROR(A1:E1000);1;0))}**

Explanation:

A1:E1000 - this is a range of your data. You can change this part of formula to suit to your worksheet.

Note: Remember that this is an array formula, so you should use **CTRL + SHIFT + ENTER** key combination.