Sub Test_II()
Dim NBooK As Workbook, ws As Worksheet
Application.ScreenUpdating = False
With ThisWorkbook
.Sheets(Array("Feuil1", "Feuil2", "Feuil3", "Feuil4", "Feuil5")).Copy
Application.DisplayAlerts = False
End With
'mise en valeurs seules
Set NBooK = ActiveWorkbook
For Each ws In NBooK.Worksheets
ws.UsedRange = ws.UsedRange.Value
Next
End Sub