#FIND DUPLICATE EXCEL FORMULA HOW TO#

In Sheet 6, select the cell next to the names, type this formula =IF(ISNUMBER(MATCH(A2&B2,Sheet7!A$2:A$100&Sheet7!B$2:B$100,0)),'','X'), press Shift + Ctrl + Enter keys. If you want to compare two ranges as below screenshot shown, you can do as these You can check Select entire rows option to select the entire row.Ĭlick Ok, dialog pops out to remind you the number of duplicates. In the popping dialog, check Duplicates (Except 1 st one), or All duplicates (Including 1st one) as you need, then check Fill backcolor or Fill font color to select a color to highlight the duplicate values. Select the combined names, click Kutools > Select > Select Duplicate & Unique Cells. Select the format you want to highlight duplicates from the values with list. Select the combined names, then click Home > Conditional Formatting > Highlight Cells Rules > Duplicate Values. In the next column of the first names and last names, type this formula =E2&' '&F2, drag fill handle down to combine all names. If the first name and last name in separate columns, you need to combine them first, then find the duplicate names.

#FIND DUPLICATE EXCEL FORMULA HOW TO#

In this article, I talk about how to find the duplicate names which both match first name and last name in two cases.Ĭase 1 find duplicate names while the first name and last name in separate columnsĬase 2 compare two ranges and find duplicate names while the first name and last name in separate columns We still need to change the aggregation to count because this is not the default.Ĭlick the downward arrow or carrot to change the aggregation from SUM to COUNT.How to find and highlight the duplicate names which both match first name and last name in Excel? Simply click the down carrot in the Value Field Settings and choose count option.

The default is to sum the values however we want to count.

Drag the same value you want to in the VALUES.

Drag the value you want to evaluate into the ROWS section of the pivot table.

Click into your data and choose Insert Pivot Table for the Insert Tab, The Pivot Table Fields window will appear.You can simply click into any part of your data to create a pivot table. We can use a pivot table to quickly find duplicates by counting each instance a value appears. You can see that we have locked the range and the only thing that changes is the row number of the cell in the criteria section.Ī pivot table allows you to squash your data into a summary to evaluate counts, averages, and sums. Take a look at the function at each row to see how it works. Copy the formula down and it will show you how many times a particular value is duplicated.So the final formula will look like this: COUNTIF($A$2:$A$11,A2). Once you have this, you need to lock the range to ensure it doesn’t change.Enter the second part of the formula which is what do you want to evaluate in this case we want to see if the criteria equal the first cell in our data=COUNTIF(A2:A11,A2).Enter the range part of the formula =COUNTIF(A2:A11.Write the COUNTIF function next to the first value in your data range=COUNTIF.But follow the breakdown below to see this in detail.ĬOUNTIF( Where the duplicates are, the value you want to check) Follow the instruction below to use the COUNTIF function to find duplicates. The range is the column or the length of data where your duplicates live and your criteria is what it use to decide when to count. Let’s take a look a the elements of the COUNTIF functions. So in this case, we want to count instances where a value is duplicated.

It counts the values in cells if a condition is met. The COUNTIF function does exactly what it says. The result will be that it highlights all the existing duplicates with conditional formatting.

Click Conditional Formatting from the Home Tab.

Highlight the entire section that you want to find duplicates.

Follow the instructions below to see how to quickly find duplicates You can use the conditional formatting feature to find duplicate values. The first way to identify duplicate values is to simply use the tools that you have that are native to Excel. Video InstructionsĬonditional Formatting – Highlight Duplicates Learn Excel Beginner to Excel with simple course. There are tons of scenarios where you may want to count duplicates. Also, retailers may want to see if there have been duplicate transactions over a given period of time. Often users want to see if there is a duplicate email in a list. You can quickly find duplicates in Excel by employing a few different strategies.

Find duplicate excel formula