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1. #Excel find duplicates and delete multiple columns how to#
2. #Excel find duplicates and delete multiple columns code#

For those not familiar with Excels history, VBA was first launched with MS Excel 5.0 in 1993, thereby replacing Excel 4. Since excel 2010 we have been able to remove the duplicates in a. Yes, Excel 4.0 macros are still a thing, at least for a few months, and they present a security risk. Since excel 2010 we have been able to remove the duplicates in a.

#Excel find duplicates and delete multiple columns code#

In this part, we are defining the new variable (i) which is defined as a number ( Long is used to store very long numbers, from -2,147,483,648 to 2,147,483,648). step 2: Use this code to find and delete duplicate records from multiple columns in excel data.all the cells that are filled in a worksheet). Since this array was formally declared, we are now changing it to correspond to all of the cells from our data variable (i.e. We then resize our array (names) by the ReDim statement. Next, we are defining the variable data to represent the range and we are setting this variable to be equal to the range that we are using ( UsedRange equals to all of the cells that are filled in a worksheet).įurthermore, we are declaring two more variables: column and cell (they are also range objects) and we are declaring an array called names to be the type of Variant (this type is used for all variables that we did not explicitly declare).

In this part of the code, we are naming our code to be unique_names. We are going to step through the code to explain it in more detail: Finally, you have to understand how arrays work.

#Excel find duplicates and delete multiple columns how to#

Then, you have to know about For Each Next loop. How to Find Duplicate Data in Excel If you want to check for any duplicate data in your Excel file before deleting it, follow this procedure: Select and highlight all the data you want to search for duplicates (don’t include headers), then select the Home tab and in the Styles section choose Conditional Formatting > Highlight Cells Rules > Duplicate Values. How do I remove duplicates in Excel 2003 If you want to truly delete the duplicate values in Excel 2003, the easiest way to do it is to choose the option Copy to another location within the Advanced Filter dialog box.

First of all, you have to be familiar with creating and adding value to your variables. How do I find duplicates in Excel without removing them If you simply want to find duplicates, so you can decide yourself whether or not to delete them, your best bet is highlighting all duplicate content using conditional formatting.

Now, it might look like a lot, and it does take a lot of VBA knowledge to understand this code and its complexity in full. Private Function unique_values(iArr As Variant) As Collection Our VBA code looks like this: Sub unique_names()