Sharing custom URI scheme in chat?

Occasional Visitor



I have built a custom URI scheme that calls a local app for my users. It looks something like this:




It works no problem from Excel, Word, Outlook, Chrome, etc (obviously it asks the user permission to run it first, which is what I want).


However, pasating the hyperlink into a chat in Teams removes the link content. So it's a hyperlink, with the correct text, but the link content is removed and replaced by ""


Does Teams just not support custom URI schemes like all the other MS products do? Or is there some security setting somewhere I need to change?



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