Move Duplicate Rows to One Row In Excel

Learn how to transpose duplicate rows to columns in excel.

Open Microsoft Visual Basic for Applications window

Click Insert > Module

Paste code below

Sub ConvertTable()
'Updateby Extendoffice
Dim xArr1 As Variant
Dim xArr2 As Variant
Dim InputRng As Range, OutRng As Range
Dim xRows As Long
xTitleId = "Transpose duplicate rows to multiple columns"
Set InputRng = Application.Selection
Set InputRng = Application.InputBox("Range (include header/top row) :", xTitleId, InputRng.Address, Type:=8)
Set OutRng = Application.InputBox("Output to (single cell):", xTitleId, Type:=8)
Set OutRng = OutRng.Range("A1")
xArr1 = InputRng.Value
t = UBound(xArr1, 2): xRows = 1
With CreateObject("Scripting.Dictionary")
    .CompareMode = 1
    For i = 2 To UBound(xArr1, 1)
        If Not .exists(xArr1(i, 1)) Then
            xRows = xRows + 1: .Item(xArr1(i, 1)) = VBA.Array(xRows, t)
            For ii = 1 To t
                xArr1(xRows, ii) = xArr1(i, ii)
            Next
        Else
            xArr2 = .Item(xArr1(i, 1))
            If UBound(xArr1, 2) < xArr2(1) + t - 1 Then
                ReDim Preserve xArr1(1 To UBound(xArr1, 1), 1 To xArr2(1) + t - 1)
                For ii = 2 To t
                    xArr1(1, xArr2(1) + ii - 1) = xArr1(1, ii)
                Next
            End If
            For ii = 2 To t
                xArr1(xArr2(0), xArr2(1) + ii - 1) = xArr1(i, ii)
            Next
            xArr2(1) = xArr2(1) + t - 1: .Item(xArr1(i, 1)) = xArr2
        End If
    Next
End With
OutRng.Resize(xRows, UBound(xArr1, 2)).Value = xArr1
End Sub

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