I think I understand what you mean>
You mention above " I export to png and import each page into
dimension. Would be good to be able to link these so I can just re export from
indesign and have them update."
That means that you export PNG from InDesign single page and then import it as a decal into Dn. Your PNG file is linked to original page in InDesign.
You goals is to update PNG in Dn when you make changes in InDesign page.Right? Dn is not auto-updated your file because it havent workflow with InDesign.
Dn opens placed decal file in Ps or Ai and create temporary file (copy of original) from decal for auto-updating after changes in Ps or Ai. For your task Dn need to open *.*.innd file where you can change your page and get decal updated in Dn
If you not open Ps or Ai file from Dn by clicking on icon that I show in my previous message it will not updated in Dn. Therefore Dn must open innd file after using mentioned "Edit" icon as for Ai or PS and create temperory innd file for auto-update.
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Hey Ares
No, sorry you have it wrong again, and I don't know why you marked it as correct answer.
I don't want any link between DN and Indesign. I only want a link to the PNG file. Im happy to keep updating the PNG files from indesign using export. I only want DN to recognise that the PNG file has changed, and display the changes in DN.
Im sorry this has been so hard for people to understand. It was a simple request in my mind.