Sharing custom URI scheme in chat?

Occasional Visitor

Hi,

 

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

 

tlg:|\folder1\folder2\file.txt|2021/05/10%2008:35:00

 

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 "https://teams.microsoft.com/_"

 

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?

 

Thanks!

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