Short answer

macOS doesn’t show window previews in the Dock. With Tuno, hovering over an app in the Dock shows live previews of its open windows; hover a preview to peek at the window in place, click to bring it forward.

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In macOS

In macOS you can right-click a Dock icon and choose “Show All Windows”, which opens App Exposé. There’s no hover preview.

With Tuno

  1. 1

    Open Tuno and allow Accessibility and Screen Recording.

  2. 2

    Turn on “Dock window previews” in Tuno › Windows.

  3. 3

    Hover over an app in the Dock: its windows appear above the icon.

  4. 4

    Hover a preview to see the window in its real place; click to open it, or use the buttons to close or minimize.

macOS 15 or later, Mac with Apple silicon.

Frequently asked questions

Do previews update live?

Yes. If a video is playing in a window, it plays in the preview too.

Does it work with Dock auto-hide?

Yes, the preview stays open while you move onto it.

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