#Delete duplicate rows in excel how to
#Delete duplicate rows in excel code

If you want to eliminate duplicate rows including first occurrences, use one of the following solutions: filter out duplicates with 1 st occurrences or utilize a more versatile Duplicate Remover for Excel. Excel's Remove Duplicates feature deletes 2 nd and all subsequent duplicate instances, leaving all unique rows and first instances of identical records. If your table does not have headers, clear the My data has headers box in the upper-right corner of the dialog window, which is usually selected by default.ĭone! All duplicate rows in the selected range are deleted, and a message is displayed indicating how many duplicate entries have been removed and how many unique values remain.If your table has many columns, the fastest way is to click the Unselect All button, and then select the columns you want to check for dupes. To remove partial duplicates based on one or more key columns, select only those columns.To delete duplicate rows that have completely equal values in all columns, leave the check marks next to all columns, like in the screenshot below.The Remove Duplicates dialog box will open, you select the columns to check for duplicates, and click OK.Go to the Data tab > Data Tools group, and click the Remove Duplicates button.To select the entire table, press Ctrl + A. To begin with, select the range in which you want to ddelete dupes.Because the Remove Duplicates tool permanently deletes identical records, it's a good idea to make a copy of the original data before removing duplicate rows. This tool allows you to find and remove absolute duplicates (cells or entire rows) as well as partially matching records (rows that have identical values in a specified column or columns). Remove Duplicates tool - eliminate repeated rowsĪll modern versions of Excel 2019 - 2007 have a built-in tool for removing duplicates called, not surprisingly, Remove Duplicates. Advanced tool to find & remove duplicates in Excel.

#Delete duplicate rows in excel how to

How to delete duplicate rows in Excel by filtering.

Get rid of duplicates by coping unique values.

How to remove duplicates in Excel using the inbuilt tool.

And that's exactly the subject of this tutorial. However, there may be situations when you may want to ultimately eliminate duplicates in your Excel sheets. In a couple of our recent articles, we discussed various ways to identify duplicates in Excel and highlight duplicate cells or rows. So, before using a database, it makes sense to check it for duplicate entries, to make sure you are not wasting time on repeating your efforts. And even if your huge database contains just a handful of identical records, those few duplicates can cause a whole lot of problems, for example mailing multiple copies of the same document to the same person, or calculating the same numbers more than once in a summary report. You will learn a few different techniques to find and delete duplicate values with or without first occurrences, get rid of duplicate rows, detect absolute duplicates and partial matches.Īlthough Microsoft Excel is primarily a calculation tool, its sheets are often used as databases to keep track of inventories, make sales reports or maintain mailing lists.Ī common problem that occurs as a database grows in size is that many duplicate rows appear in it.

#Delete duplicate rows in excel code

Once the code has looped through all the rows we simply return the list of row indexes to delete.The tutorial explains how to remove duplicates in Excel 2019, Excel 2016, Excel 2013, and Excel 2010.

Again if we get to a row that has already been marked as a duplicate, then we will skip that row. If the row is not marked as a duplicate, then the code will start another for loop that starts on the next row and ends on the last row. If we get to a row that has already been marked as a duplicate, then we will skip that row. Walking through the code below we start by looping through all the rows in the worksheet. To simplify things, all the code does is add the row indexes of duplicate rows. To help, I suggest you create a method that takes an open worksheet and returns our “unsorted” list of row indexes we want to delete.

NOW the for loop through the list should work without mixing up the row indexes. Then we will have an ordered list of ints that are order from high to low.

I can only assume you are misunderstanding my comment in reference to the posted while statement… while (().Equals(a) &