The drawing you have placed on the layout should be a view from the View Map.
This view will be set to use a particular layer combination.
All you need to do is update that layer combination and all views using it will update, and hence the drawings on the layouts will update as well.
Or if it just for that particular plan, create a new layer combination and apply that in the settings to the view that you have placed on the layout.
Barry.
One of the forum moderators.
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