I'm using my Macbook while it's connected to a larger display. I'm mostly working off the larger display. Is there a way for notifications to be displayed on both screens simultaneously? I'm specifically concerned about Slack, but if there's a way to do this for all applications, knowing how that works would be much appreciated.

3 Answers 3


No, notifications are always only displayed on on the display designated 'primary'. (The one which has the white menu bar line on it in System Preferences → Displays → Arrangement)


You can also move the white bar and make the desired monitor as primary, and receive notification on that monitor.


I solved it, I use Chrome browser, I enabled desktop notifications on chrome browser over mac os. If I get slack message from any one, now I get desktop notifications on my both large screens and also on primary mac display, so on all 3 screens I get notifications.

I logged in to slack at 3 places, on both screen's Chrome browsers. And also on primary display there is slack client.

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