Locking and Unlocking Layers
You can lock a selected layer to protect any objects on it from being changed. Once locked, you can unlock the layer to make changes to any objects on it.

- Select a layer.
- Do one of the following:
‣ | Click the Lock icon of a layer. |
‣ | Select Layer > Lock/Unlock Layers. |
‣ | In the Layer toolbar, click the Lock/Unlock Layers![]() |
‣ | Press Alt+L. |