$newworksheet->Activate();
$Excel->ActiveWindow->{DisplayGridlines} = 'False';

##</code><code>##

Selection.TickLabels.AutoScaleFont = False
With Selection.TickLabels.Font
    .Name = "Arial"
    .FontStyle = "Standard"
    .Size = 8
    .Strikethrough = False
    .Superscript = False
    .Subscript = False
    .OutlineFont = False
    .Shadow = False
    .Underline = xlUnderlineStyleNone
    .ColorIndex = xlAutomatic
    .Background = xlAutomatic
End With

##</code><code>##

$Excel->Selection->ThickLabels({AutoScaleFont => 0});
$Excel->Selection->ThickLabels({Font => {Size => 8}});