See the post here by Minh.
https://archicad-talk.graphisoft.com/viewtopic.php?f=22&t=69419&p=308840#p308840
When you explode a DWG, it acquires a "New" renovation status, so you have to make sure a renovation filter that shows new elements is active.
Barry.
One of the forum moderators.
Versions 6.5 to 25
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