How do I transfer the window marker between windows?

[alexliz24]

I have dozens of windows already in place. I enable the markers. All show up. All markers are of the 'W Marker 10' variety.

I select one window and modify its marker to my heart's content.

Is there a way to now make all other windows' markers reflect that one's improvements? Or should I have modified the marker after having selected _all_ my windows in the plan?

And, by the way, where are these markers stored? Can I modify one and save it as a separate marker in my Library for future reference?

Many thanks, people.

[alexliz24]

Or even, how do I save the Window/Door marker as modified by myself, for use in the future?

Does it get saved as a Library part, like the Label markers do? Is there room in the .gsm format for a Window/Door marker object?