Reserve Dock Space
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When a fixed dock is on a screen edge, Reserve Dock Space prevents app windows from overlapping it when they expand.

How it works
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When you zoom with the green button or double-click a window's title bar to expand it, macOS normally fills the entire screen. With Reserve Dock Space enabled, ExtraDock detects the overlap and resizes the window to fit the available area — leaving room for your fixed dock.

This only applies to fixed mode docks.

Enabling it
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Open ExtraDock → **Settings** (⚙) → **Behavior** → **Reserve Dock Space**.

Active on drag
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By default, windows are only corrected on expand-style resizes. Enable **Active on Drag** to also correct windows after manual drag or resize operations.

Open ExtraDock → **Settings** (⚙) → **Behavior** → **Active on Drag**.

Accessibility permission
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This feature requires macOS Accessibility permission to detect and reposition other app windows.

**System Settings** → **Privacy & Security** → **Accessibility** → add ExtraDock.

ExtraDock will prompt you to grant permission when you enable the feature.