Probeer dit eens:
Sub waarde_verplaatsen()
Dim lk As Long
Dim bron As Range
Dim doel As Range
lk = Sheets("Sheet2").Cells(1, Columns.Count).End(xlToLeft).Column
Set bron = Sheets("Sheet1").Range("T:U")
Set doel = Union(Sheets("Sheet2").Columns(lk + 1), Sheets("Sheet2").Columns(lk + 2))
doel.Value = bron.Value
ActiveWindow.ScrollWorkbookTabs Position:=xlFirst
End Sub