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How to concatenate cells if same value exists in another column in Excel?

combine if same

As the left screenshot shown, suppsing you need to concatenate the cells in the second column based on the same value cells in the first column. How can you achieve it?

In this article, we will introduce three methods to hel you achieve it.

Concatenate cells if same value with formulas and filter

Concatenate cells if same value with VBA code
Easily concatenate cells if same value with Kutools for Excel


Concatenate cells if same value with formulas and filter

With the below formulas, you can concatenate corresponding cell contents if another column contains same value in Excel.

1. Select a blank cell besides the second column (here we select cell C2), enter formula =IF(A2<>A1,B2,C1 & "," & B2) into the formula bar, and then press the Enter key.

2. Then select cell C2, and drag the Fill Handle down to cells you need to concatenate.

3. Enter formula =IF(A2<>A3,CONCATENATE(A2,",""",C2,""""),"") into cell D2, and drag Fill Handle down to the rest cells.

4. Select cell D1, and click Data > Filter. See screenshot:

5. Click the drop-down arrow in cell D1, uncheck the (Blanks) box, and then click the OK button.

You can see the cells are concatenated if the first column values are same.

Note: To use the above formulas successfully, the same values in column A must be continuous.


Easily combine cells in a column if same value exists in another column:

With Kutools for Excel's Advanced Combine Rows utility, you can easily combine cells in a column if same value exsits in another columns in Excel as the below demo shown. Download Kutools for Excel now! ( 30-day free trail)

contatinate of same


Concatenate cells if same value with VBA code

Besides formula, in this section, we will show you how to use VBA code to concatenate cells if same value.

1. Press Alt + F11 keys to open the Microsoft Visual Basic Applications window.

2. In the Microsoft Visual Basic Applications window, click Insert > Module. Then copy and paste below code into the Module window.

VBA code: concatenate cells if same values

Sub ConcatenateCellsIfSameValues()
	Dim xCol As New Collection
	Dim xSrc As Variant
	Dim xRes() As Variant
	Dim I As Long
	Dim J As Long
	Dim xRg As Range
	xSrc    = Range("A1", Cells(Rows.Count, "A").End(xlUp)).Resize(, 2)
	Set xRg = Range("D1")
	On Error Resume Next
	For I = 2 To UBound(xSrc)
		xCol.Add xSrc(I, 1), TypeName(xSrc(I, 1)) & CStr(xSrc(I, 1))
	Next I
	On Error GoTo 0
	ReDim xRes(1 To xCol.Count + 1, 1 To 2)
	xRes(1, 1) = "No"
	xRes(1, 2) = "Combined Color"
	For I = 1 To xCol.Count
		xRes(I + 1, 1) = xCol(I)
		For J = 2 To UBound(xSrc)
			If xSrc(J, 1) = xRes(I + 1, 1) Then
				xRes(I + 1, 2) = xRes(I + 1, 2) & ", " & xSrc(J, 2)
			End If
		Next J
		xRes(I + 1, 2) = Mid(xRes(I + 1, 2), 2)
	Next I
	Set xRg = xRg.Resize(UBound(xRes, 1), UBound(xRes, 2))
	xRg.NumberFormat = "@"
	xRg = xRes
	xRg.EntireColumn.AutoFit
End Sub

Notes:

1. D1 in line Set xRg = Range("D1") means that the result will be placed in cell D1.

2. No and Combined Color in line xRes(1, 1) = "No" and xRes(1, 2) = "Combined Color" are the headers of concatenated columns. You can change them as you need.

3. Press the F5 key to run the code, then you will get the concatenated results in specified range.


Easily concatenate cells if same value with Kutools for Excel (several clicks)

If the above two methods are complicated for you, here we will show you the Advanced Combine Rows utility of Kutools for Excel You can easily concatenate cells by comma, semicolon and so on if same values exist in another column.

Before applying Kutools for Excel, please download and install it firstly.

1. Select the range with cells you need to concatenate, and then click Kutools > Merge & Split > Advanced Combine Rows. See screenshot:

2. In the Advanced Combine Rows dialog box, you need to do as follows.

  • 2.1) Select the column with same value you want to concatenate cells based on, and then click the Primary Key button.
  • 2.2) Select the column you want to concatenate the cells, click Combine button, and then specify a separator from the context menu (here I specify Comma).
  • 2.3) Click the OK button.

Now the cells are concatenated according to the primary key column.

  If you want to have a free trial ( 30-day) of this utility, please click to download it, and then go to apply the operation according above steps.


Easily concatenate cells if same value with Kutools for Excel


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Comments (17)
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This comment was minimized by the moderator on the site
Can't seem to concatenate with more than 2 cells using formulas and filters
This comment was minimized by the moderator on the site
How can i merge collums with the same names eg Column one reads Kenya throughout and collumn 2 reads western, Nyanza( appearing more than ten times) and column 3 three names of districts. I want to get how mang districts do we have in every province but keep the columns.
This comment was minimized by the moderator on the site
Dear Geoffrey,

Please try the Advanced Combine Rows utility we mentioned in above method two. If you want to keep the columns, please make a copy of the original range and do everything in the copied range.

Specify the province column as Primary Key, set the Column 1 as Keep 1st, and then set the district column as Calculate > Count.

After that, you will get how many district you have in every province.
This comment was minimized by the moderator on the site
The concatenate feature does not work. Combines all the rows into one cell despite different keys.
This comment was minimized by the moderator on the site
Dear Marissa,
Sorry I am not sure I got your question. There are three methods in the article, which concatenate feature do you mean?
This comment was minimized by the moderator on the site
I am so thankful to you for these formulas. Fantastic work!
This comment was minimized by the moderator on the site
This is exactly what I needed...thank you
This comment was minimized by the moderator on the site
Using the VBA macro and getting great results, I have tried tweaking it slightly for my needs but cant get it to work so I hope you can help.

Which bit do I change to make it concat a specific column, not the one directly to the right of the xSrc = Range?

Thanks for your great work!
This comment was minimized by the moderator on the site
Or as a better option, if you had 3 columns instead of 2 and found duplicates in column A (like your example) can you concat column B into a cell and column C into a seperate cell? So if you had columns of Number, Colour, Age, could you concat colour and age into different columns upon finding duplicates in Number? Hope that makes sense!
This comment was minimized by the moderator on the site
I use this VBA for lots of my spreadsheets and its great. But the spreadsheets have become very large 50k+ rows and it doesnt seem to be working any more. If I use it on 1000 rows it works fine but large sets of data it cant seem to cope with. No errors just no results. Any help would be appreciated.
This comment was minimized by the moderator on the site
Hi James,
I tested the code as you mentioned, but it still works well in my case even I set the rows to 1000+.
This comment was minimized by the moderator on the site
Hi,

looks like 2 of your formulas are wrong :

=IF(A2<>A3,CONCATENATE(A2,",""",C2,""""),""). You need to change "A2" to "D1". As you'll want to add the string to the previous cell.

same goes for this formula :

=IF(A2<>A1,B2,C1 & "," & B2) : Change C1 to D1.


kind regards


Harry
This comment was minimized by the moderator on the site
Hi, first of all thanks for creating this resource. I have been trying to figure this out for a couple of hours and I'm stuck. I'm using your 'concatenate cells if same value' but my script is looking at column "D" instead of "A. I can't figure out how to get it to use a different column for the data besides the one right next to it. In my cases I want it to look at column "D" to see if the value is the same and if so, it will grab the data from column "H" and put that data from column "H' into a cell in column "J". How do I switch this to use column "H" for the data? Thx


Sub ConcatenateCellsIfSameValues()
Dim xCol As New Collection
Dim xSrc As Variant
Dim xRes() As Variant
Dim I As Long
Dim J As Long
Dim xRg As Range
xSrc = Range("D1", Cells(Rows.Count, "D").End(xlUp)).Resize(, 2)
Set xRg = Range("J1")
On Error Resume Next
For I = 2 To UBound(xSrc)
xCol.Add xSrc(I, 1), TypeName(xSrc(I, 1)) & CStr(xSrc(I, 1))
Next I
On Error GoTo 0
ReDim xRes(1 To xCol.Count + 1, 1 To 2)
xRes(1, 1) = "No"
xRes(1, 2) = "Products"
For I = 1 To xCol.Count
xRes(I + 1, 1) = xCol(I)
For J = 2 To UBound(xSrc)
If xSrc(J, 1) = xRes(I + 1, 1) Then
xRes(I + 1, 2) = xRes(I + 1, 2) & vbCrLf & xSrc(J, 2)
End If
Next J
xRes(I + 1, 2) = Mid(xRes(I + 1, 2), 2)
Next I
Set xRg = xRg.Resize(UBound(xRes, 1), UBound(xRes, 2))
xRg.NumberFormat = "@"
xRg = xRes
xRg.EntireColumn.AutoFit
End Sub
This comment was minimized by the moderator on the site
"I can't figure out how to get it to use a different column for the data besides the one right next to it. In my cases I want it to look at column 'D' to see if the value is the same and if so, it will grab the data from column 'H' and put that data from column 'H' into a cell in column 'J'."

Did you ever figure this out?
This comment was minimized by the moderator on the site
I just wanted to thank you. It wasn't exactly what I wanted but man did it help me figure out what to do.

I have a table where the person's name was in column A, dates in column B and the names of tools they use in the headers of columns C:G . In each column there is a "Y" if they used that tool on that date and blank if they did not. (FYI: the same person can be listed more than once and may have used the same tool more than once) On a separate (summary) page I wanted to list all tools each person used within a date period, only listing each tool they used once, in the same cell. On this page, the person's name was in column A, Types of tools used in column B and the helper columns were in column G:K. Here's what I got:
The first helper column (G2):
=IF(COUNTIFS(Table7[Person's Name],A2,Table7[Screw Driver],"Y",Table7[Date],">="&1/1/20,Table7[Date],"<="&3/31/20),"Screw Driver","")
In the last helper column (K2):
=IF(COUNTIFS(Table7[Person's Name],A2,Table7[Hammer],"Y",Table7[Date],">="&1/1/20,Table7[Date],"<="&3/31/20),IF(J2="","Hammer",J2&"/"&"Hammer"),J2)

In B2 I just entered =K2

Thanks again and I hope this helps someone. EZPD
This comment was minimized by the moderator on the site
Hello, how would the VBA code be adjusted if I want to combine cells in column M based on the duplicates in column A?
This comment was minimized by the moderator on the site
Hi Kristin,To combine cells in column M based on the duplicates in column A, try the VBA below.In the code,  O1 is the first cell to output the results; M is the column you will combine based on the duplicates in column A; A1 and A represent the first cell and the column where the duplicates locate; No and Combine color is the header of the columns after concatenating. You can change these variables as needed.<div data-tag="code">Sub ConcatenateCellsIfSameValues()
'Updated by Extendoffice 20211105
Dim xCol As New Collection
Dim xSrc As Variant
Dim xSrcValue As Variant
Dim xRes() As Variant
Dim I As Long
Dim J As Long
Dim xRg As Range
Dim xResultAddress As String
Dim xMergeAddress As String
Dim xUp As Integer

xResultAddress = "O1" 'The cell to output the results
xMergeAddress = "M" 'The column you will combine based on the duplicates in column A

xSrc = Range("A1", Cells(Rows.Count, "A").End(xlUp)).Resize(, 1)
xUp = Range("A1", Cells(Rows.Count, "A").End(xlUp)).Rows.Count
xSrcValue = Range(xMergeAddress & "1:" & xMergeAddress & xUp)

Set xRg = Range(xResultAddress)
On Error Resume Next
For I = 2 To UBound(xSrc)
xCol.Add xSrc(I, 1), TypeName(xSrc(I, 1)) & CStr(xSrc(I, 1))
Next I

On Error GoTo 0
ReDim xRes(1 To xCol.Count + 1, 1 To 2)
xRes(1, 1) = "No"
xRes(1, 2) = "Combined Color"
For I = 1 To xCol.Count
xRes(I + 1, 1) = xCol(I)
For J = 2 To UBound(xSrc)
If xSrc(J, 1) = xRes(I + 1, 1) Then
xRes(I + 1, 2) = xRes(I + 1, 2) & ", " & xSrcValue(J, 1)
End If
Next J
xRes(I + 1, 2) = Mid(xRes(I + 1, 2), 2)
Next I
Set xRg = xRg.Resize(UBound(xRes, 1), UBound(xRes, 2))
xRg.NumberFormat = "@"
xRg = xRes
xRg.EntireColumn.AutoFit
End Sub
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