There is also another way to get rid of any duplicate values in your data from the ribbon. Find And Remove Duplicate Values With Advanced Filters This command will alter your data so it’s best to perform the command on a copy of your data to retain the original data intact. When you press OK, Excel will then remove all the duplicate values it finds and give you a summary count of how many values were removed and how many values remain. There are also handy Select All and Unselect All buttons above you can use if you’ve got a long list of columns in your data. You can then select which columns to use to determine duplicates.
If this is checked, then the first row of data will be excluded when finding and removing duplicate values.
You then need to tell Excel if the data contains column headers in the first row.Select a cell inside the data which you want to remove duplicates from and go to the Data tab and click on the Remove Duplicates command.Įxcel will then select the entire set of data and open up the Remove Duplicates window. It’s so common, there’s a dedicated command to do it in the ribbon. Removing duplicate values in data is a very common task. Find And Remove Duplicate Values With The Remove Duplicates Command You should always be aware which version you want and what Excel is doing. The results from duplicates based on a single column vs the entire table can be very different. This results in even less values being considered duplicates. The second image highlights all the duplicates based on all columns in the table.The second image highlights all the duplicates based on the Make and Model of the car.The first image highlights all the duplicates based only on the Make of the car.In the above example, there is a simple set of data with 3 columns for the Make, Model and Year for a list of cars. Video Tutorialĭuplicate values happen when the same value or set of values appear in your data.įor a given set of data you can define duplicates in many different ways. Then click OK button.In this tutorial, we are going to look at 7 different methods to locate and remove duplicate values from your data.
Step 4: Click dropdown list arrow button, only check on value 1 in the list. So we can use filter function in B column to filter them out. Step 3: We can see that for the duplicate values, they are marked with 1 in B column. Due to some values are duplicate in the list, you can see for some values IF function returns 0, and for the others returns 1. So B2 to B9 will be filled by this formula. Step 2: Drag the fill handle down to fill the other cells. For example, A2 value Ada only appears once in the list, so COUNTIF($A$2:$A$9,A2) will return 1 (so COUNTIF($A$2:$A$9,A2)=1 is true), so IF function will return 0 in B2. COUNTIF function is used for counting the number of A2 from range $A$2:$A$9, and IF function is used for returning True of False value. In this formula we use IF and COUNTIF functions together. If you want to remove both duplicate values like ‘Amy’ ‘Cathy’, you can follow below steps. Original List: Updated List after Remove Duplicates:
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