To edit all layers

1. Right-click a layer tab.

2. On the shortcut menu, click Edit All Layers.

or

1. Click the Layer button .

2. On the Layers dialog box, select Edit All Layers.

You can now select and edit all objects on all layers. Deselect this option to return to single-layer selection and editing.

You cannot move an object on a lower layer in front of an object on a higher layer. You can, however, change the order of layers so that the entire layer and its contents move in front of another layer.