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.

2 Answers 2


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.

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