URLs have long been the domain of web browsers, but some apps challenge this assumption by asking your browser to open a link in their dedicated app.

Problem: Safari Keeps Asking Permission

For example, I use Zoom.us, a videoconferencing service. They give me a link associated with my conference call that's easy to throw into a calendar invite, like https://ibm.zoom.us/j/9747900418. When I click the link, my browser opens it, authenticates me, and asks me permission to open the link in Zoom.us.app, which I've already installed.

Dialog asking to open a page in zoom.us

After opening hundred of meetings this way, I'm sick of it asking me permission. I want Safari to remember that it's allowed to open zoom.us/* links in Zoom.us.app.

What I've Tried

Under Safari > Preferences > Websites, I escalated privileges for Zoom-related items:

  • General > Auto-Play > ibm.zoom.us was "Stop media with sound"; set to "Allow Auto-Play"
  • Plug-ins > Zoom Launcher 3.0.1 > ibm.zoom.us was "Ask"; set to "On"
  • Plug-ins > Zoom Launcher 3.0.1 > support.zoom.us was "Ask"; set to "On"

This had no effect.


What services control how Safari opens local applications? How mature is it?

Relevant software: Fantastical 2.4.10, Safari 11.1.1, macOS 10.13.5, Zoom Launch 3.0.1 Safari plug-in

  • I would remove the Bonus section it's barley related. – JBis Jul 27 '18 at 21:27
  • Hmmm. I know I have clicked a link on safari without it asking me to open the app but then I'll click another link and it will have the prompt. – JBis Jul 27 '18 at 22:38
  • Not the answer you asked for, but... Have you tried right-clicking on the link and selecting Zoom.us.app in the "Open with..." dialog? if it works, it would save a bit of time and effort. – Doc G. Jul 30 '18 at 3:58
  • @JBis, I'm open to remove the Bonus section as you've suggested, but I don't understand how it's unrelated. Wouldn't knowing which service controls opening local applications help us to figure out how to permanently allow Zoom.us to open? – Merchako Jul 30 '18 at 15:18
  • @Merchako Specifically "I'd love to know more of the history of Safari opening local applications. How long has it been around?" – JBis Jul 30 '18 at 15:19

I don't think it can be disabled...but...if the application you want to use is already running (or is in the dock), you can drag and drop the link onto the application's dock icon to avoid the dialog.

I just did it with a magnet link and Transmission and it did not invoke the dialog (I know, at the cost of a drag...which is...a drag).

  • Great idea (and nice pun), but dragging a link onto the application icon doesn't work with Zoom.us. – Merchako Aug 2 '18 at 17:28

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