Lock or unlock masks

Locking a mask prevents you from selecting it in the Timeline, Composition, and Layer panels or setting it as a target in the Layer panel. Use this feature to avoid unwanted changes to the mask.

In the Timeline panel, expand the Masks property group.
In the A/V Features column, click the box underneath the Lock icon next to the mask you want to lock or unlock. A mask is locked and cannot be selected when its Lock switch is selected—i.e., when the Lock icon appears in the box.

Note: To unlock multiple masks at one time, select one or more layers and choose Layer > Mask > Unlock All Masks.

AfterEffects

Lock or unlock masks

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