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How to remove duplicates but keep blank rows in Excel?

In Excel, the Remove Duplicate function can help you remove duplicate values from a list quickly. However, if the list contains some blanks, the Remove Duplicate function will remove the blanks as well. How can you remove duplicates but keep the blank rows in Excel?
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Remove duplicates keep blanks with formula and Remove Duplicates

Select and highlight duplicates with Select Duplicate & Unique Cellsgood idea3


Remove duplicates keep blanks with formula and Remove Duplicates

To remove duplicates keep blank rows, you need to add a helper column to identify the blank rows firstly, then apply Remove Duplicates function to remove the duplicates.

1. In the adjacent cell, type this formula =IF(LEN(TRIM(A1))=0,ROW(),""), A1 is the first data of the list you want to remove duplicates, drag the auto fill handle over cells to get all blank rows numbers.
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2. Then select the data including the formula column, click Data > Remove Duplicates, then click OK in Remove Duplicates dialog.
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3. A dialog pops out to remind you the number of removing rows. Click OK to close it.
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Now the duplicates have been removed but keep blank rows. You can remove the helper column.
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Select and highlight duplicates with Select Duplicate & Unique Cells

The Select Duplicate & Unique Cells utility of Kutools for Excel can help you select the duplicate rows first and at the same time, highlight them with background and font colors.
Kutools for Excel, with more than 300 handy functions, makes your jobs more easier. 

After installing Kutools for Excel, please do as below:(Free Download Kutools for Excel Now!)

1. Select data, click Kutools > Select > Select Duplicate & Unique Cells.
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2. In the Select Duplicate & Unique Cells dialog, check Duplicates (Except 1st one) option in Rule section, then check Fill backcolor and Fill font color checkboxes, select the colors you want from the drop down lists.
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3. Click Ok, a dialog pops out to remind you the number of selected duplicate rows, click OK to close it.
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Then the duplicate cells have been selected and highlighted.
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Comments (6)
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This comment was minimized by the moderator on the site
The formula =IF(LEN(TRIM(A1))=0,ROW(),"") doesnt work. Im getting an error message.
This comment was minimized by the moderator on the site
Para resolver, substitua as virgulas "," por ponto e virgula ";" e também mude a língua do Excel para inglês, porquê esta fórmula só funciona no Excel em inglês.
This comment was minimized by the moderator on the site
hey, Tomas, there should be semicolons () instead of commas (<span style="background-color: rgb(239, 240, 241); color: rgba(0, 0, 0, 0.7); font-family: Inconsolata, Consola, Monaco, Courier, monospace; white-space: pre-wrap; letter-spacing: 0.2px; font-style: inherit; font-variant-ligatures: inherit; font-variant-caps: inherit; font-weight: inherit;">,</span>) in the formula: 
This comment was minimized by the moderator on the site
Hi, Tomas, the error message said what?
This comment was minimized by the moderator on the site
It says there are too many arguments for this function.
This comment was minimized by the moderator on the site
Hi, Zach, I did not know why you got this warning, I tried this formula again, it is work correctly.
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