Hi @JaimeVF ,
Another method you can try is using the Shortcuts app to create a shortcut that sets Microsoft Edge as the default browser. You can then share the shortcut via a link using AirDrop or email, along with instructions on how to use it. Once the user opens and runs the shortcut on their iPad, the setting will apply.
Unfortunately, this method is not yet supported by Outlook.

Check out this utility from Armin Briegel:
New tool: utiluti sets default apps – Scripting OS X

I have not tried it yet, but it should do what you are asking. However, IIRC, setting the default browser will still prompt the user, even if you use a utility. So, it is not fully automated. 

But that's just for macOS or am I missing something?

Hi @agungsujiwo ,

Thanks for the information.
I believe it's not necessary to add these shortcuts, as the apps prompt users to set them as the default the first time they are opened.
My goal was just to avoid this manual step and also prevent users from choosing a different default app.

Yes, it's only for macOS. You can't run scripts on mobile devices through Jamf