The Filmstrip allows you to view two thumbnails of your notebook panels at a time.
1. In your notebook, click the Filmstrip icon located at the bottom right corner.
2. View the Filmstrip on the right side. You can scroll up and down to view your panels, and clicking a panel will make it appear on the main panel to the left.
Use the Filmstrip to be able to view thumbnails of all your panels. Instead of clicking to navigate through the panels, use Filmstrip to flip through your notebook quickly and efficiently.