Sub AR_Ray_Charles()
Dim vArr
With Application
vArr = _
Split(Join(.Transpose(Feuil1.Range("C2", Feuil1.Cells(Rows.Count, "C").End(3))), "²") & "²" & _
Join(.Transpose(Feuil2.Range("C2", Feuil2.Cells(Rows.Count, "C").End(3))), "²") & "²" & _
Join(.Transpose(Feuil3.Range("C2", Feuil3.Cells(Rows.Count, "C").End(3))), "²") & "²" & _
Join(.Transpose(Feuil4.Range("C2", Feuil4.Cells(Rows.Count, "C").End(3))), "²"), "²")
Feuil5.Range("A2").Resize(UBound(vArr)).Value = .Transpose(vArr)
End With
Feuil5.Columns(1).RemoveDuplicates 1, 1
End Sub