Start collaborating in Messages from another app

You can also collaborate on a project when you’re in another app, including the Finder, Reminders, Notes, Safari, Freeform, Keynote, Numbers, Pages, and supported third-party apps.

Note: The process for inviting someone to collaborate depends on the app.

a monogram with a checkmark when there’s no photo associated with the conversation; otherwise, you see the individual photo or group icon). Then click on your Mac:

  • Go to a project: In the conversation, click the shared project. Or click the Info button in the top-right corner of a conversation, scroll to Collaboration, then Control-click the shared project and choose Share.

    When you share the project, you can share it with new participants or the same group.

If you Control-click a shared project in the conversation, you can also do any of the following: