Is there anyway to pin windows that an application launches to a specific screen? As an example zoom launches two windows when starting a meeting one that for video and one with meeting information. It used to keep launching them in the same screens but lately I have noticed that each window will open on a different screen each time. The pattern seems random as sometimes they will just swap places but other times they will go to a different screen where it is not normally on to begin with.

1 Answer 1


Apps will launch to a given Space, if set - right click the app in the Dock > Options , *.
They will only launch to a given physical display if you don't have "Displays have separate Spaces" on in System prefs > Mission Control.

Apps do not like being spread across multiple Spaces.

*Apple use the terms Desktop and Space interchangeably, unfortunately. Display, however, always means 'physical screen'.

  • This isn't from the app itself launching but from something happening after the app itself is already running. In my case I keep zoom running as I will use it for meetings throughout the day. My first meeting could launch the windows in the correct order on screens 1 and 2 but the second meeting could swap them or change one of them to screen 3. Zoom my default will always launch the video and meeting stats on different windows.
    – Joe W
    Oct 15, 2020 at 18:47
  • Have you checked if you have "Displays have separate Spaces" on or off? This will only work if it's off.
    – Tetsujin
    Oct 16, 2020 at 6:13
  • It is currently on and I will have to look into that option more.
    – Joe W
    Oct 16, 2020 at 12:13
  • It's quite a paradigm shift, but at the moment you are trying to force an app to use three different Spaces - it's not going to like doing that.
    – Tetsujin
    Oct 16, 2020 at 13:37
  • I am not trying to force the application to do anything other than open the same window every time. Zoom (the application in question) opens multiple windows in different spaces whenever you start or join a meeting, in fact it opens them up in full screen mode. All I am looking to do is to determine if I can get them to open up in the same spaces every time so I don't have to rearrange windows so I can get them to the correct places so I can work properly.
    – Joe W
    Oct 16, 2020 at 14:09

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