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Lock Dock#

With more than one display, macOS moves the Dock to whichever screen you move the pointer to the bottom of. Lock Dock keeps the macOS Dock on the display you choose.

Open Settings → Lock Dock. The page shows a status badge: Active, Off, or Needs Permission.

Grant permission#

Lock Dock needs Accessibility access. On macOS 27 and later this permission is called Device Control and Data Access.

  1. Click Grant Accessibility Permission
  2. Turn on DockFlow in System Settings
  3. Come back and click Check Again

If DockFlow is still not detected, remove it from the list in System Settings and add it again. See Permissions.

Turn it on#

  1. Turn on Lock the dock to one display. It is off by default.
  2. Under Locked Display, pick the display that should keep the Dock from Available Displays. The main display is marked Primary.

With only one display connected, connect another display to choose where the Dock should stay.

Behavior#

  • Move the dock back automatically — If macOS moves the Dock to another display, DockFlow moves it back when needed. Off by default.
  • Move Dock Now — Click Move Now to move the Dock back to the selected display right away.
  • Keyboard Shortcut — Move the Dock back from anywhere. No shortcut is set until you add one. Click Set in Hotkeys to assign Move Dock to Locked Display in Hotkeys.

You can also choose Relocate Locked Dock from the DockFlow menu bar menu. See Menu Bar and Dock Menu.