Hello!
I'm trying to develop the concatenate UDF, that should concatenate values in 2 columns for each row:
Function ConcatData(a As Integer, b As Integer) As Variant
For i = 1 To Cells(Rows.Count, a).End(xlUp).Row
ConcatData = Cells(i, a).Value & " " & Cells(i, b).Value
Next i
End...