On my list, when I do not have a Nintex Form (SharePoint default), when clicking my attachments they open in Office Online. When I add the Nintex Form, the attachments then revert to download/open in client. My site collection settings all stipulate that the default behavior is opening in Online as well. Any ideas on how to change/fix this?
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Well, I have researched to & fro, and I can't find much around this question -- so I will just leave this here and see if so it triggers the imagination of someone else:
I mean, if your attachment links could be coded in this way, it would work - I just don't know if that can be done.