Right-click the layout tab of the layout
you want to reposition. Click Move or Copy.
In the Move or Copy dialog box, select
the layout tab that should be placed immediately after the moved
or copied layout tab. If you want to move the layout tab to the
end of the list of layout tabs, select Move to End.
Click OK.
Alternatively, you can
click and drag the layout tab of the layout you want to reposition
and place the layout at the desired position.