Makro in allen Mappen abspielen?

Sub Daten()
'dieser Code gehört in ein allgemeines Modul
'der Tabelle "BAB.xls"
Dim wks As Worksheet
Dim wksDaten As Worksheet
Dim wkbDaten As Workbook
Dim rng As Range
On Error GoTo FEHLER
With Application
.ScreenUpdating = False
.EnableEvents = False
.Calculation = xlCalculationManual
End With
Workbooks.Open "D:\Eigene Dateien\Kostenstellen.xls"
Set wkbDaten = Workbooks("Kostenstellen.xls")
Set wksDaten = wkbDaten.Sheets("Kostenstellen")
For Each wks In ThisWorkbook.Sheets
If wks.[B1] <> "" Then
Set rng = wksDaten.Columns("A").Find(What:=wks.[B1], LookIn:=xlValues, _
LookAt:=xlWhole)
If Not rng Is Nothing Then
wks.[C1] = rng.Offset(0, 1)
End If
End If
Next
wkbDaten.Close
FEHLER:
With Application
.ScreenUpdating = True
.EnableEvents = True
.Calculation = xlCalculationAutomatic
End With
End Sub