Sub test_VI_ok_light()
Dim F As Worksheet, r As Range, o As Range
Set F = ThisWorkbook.Sheets(1): Set r = F.Range(F.Cells(2, 1), F.Cells(Rows.Count, "L").End(3))
Set o = Workbooks("Classeur2").Sheets(1).ListObjects(1).DataBodyRange
Application.ScreenUpdating = 0
o.Offset(1).Resize(o.Rows.Count - 1, o.Columns.Count).Rows.Delete
o.Cells(o.Rows.Count, 1).Offset(1).Resize(r.Rows.Count, 12).Value = r.Value
Workbooks("Classeur2").Sheets(1).ListObjects(1).ListRows(1).Delete
End Sub