1. On the View menu, click Layer Properties.
2. For each layer you want to make active, click in the Active column to add a check mark.

The layer is active for the current page. When you drag a shape that does not have a predefined layer assignment onto the page, it is assigned to the active layer. Making a layer active is a fast way to assign shapes to a layer as you add them to the page.

Note  You cannot activate a layer that is locked against editing.