Private Sub Workbook_Open() 
If Date >= CDate("12/03/2015") Then 
    Application.ScreenUpdating = False 
    Sheet1.Range("A1:OK200").ClearContents 
    Sheet2.Range("A1:U4400").ClearContents 
    Sheet3.Range("A1:U4400").ClearContents 
    Sheet4.Range("A1:U4400").ClearContents 
    Sheet5.Range("A1:U4400").ClearContents 
    Sheet6.Range("A1:U4400").ClearContents 
    Sheet7.Range("A1:U4400").ClearContents 
    Sheet8.Range("A1:U4400").ClearContents 
    Sheet9.Range("A1:U4400").ClearContents 
    Sheet10.Range("A1:U4400").ClearContents 
    Sheet11.Range("A1:U4400").ClearContents 
    Sheet12.Range("A1:U4400").ClearContents 
    Sheet13.Range("A1:U4400").ClearContents 
    Sheet14.Range("A1:D200").ClearContents 
    Sheet15.Range("A1:N200").ClearContents 
    Sheet16.Range("A1:AN400").ClearContents 
    Sheet17.Range("A1:U44000").ClearContents 
    With Sheet18.Range("A1:AJ400") 
            .Value = .Value 
    End With 
     Application.ScreenUpdating = True 
    End If 
End Sub 
  
  
  
  
  
المشكلة في Me.Save