File Handler. This drop-down button lets you open and save your lesson plans.
Create a folder for your documents. If you want them to be accessible from a classroom or auditorium as well as from home, you might want to keep the folder in the cloud.
There is a choice on the dropdown to "Open Sample Lesson.pro". It is a short sampler of the the hot spots and how to use them. You can open the sample and erase everything and use it as you new lesson plan.
Note: All lesson plan file names must end in .pro.