This option is used to export all visible objects in scene to FBX file. This file type is best to export rig and animation.
Include Rig: Toggle to include or exclude animation rig. Not available for Starter Kit.
Bake and Add Animation: Toggle option ON to bake and add current Character Rig Action to the fbx file. Active if Include Rig is ON. Available only for Complete Kit.
Bake Textures: Toggle ON if you want to bake any or all materials to textures. Available only for Complete Kit.
Export: Click button to Export. It will open a dialog window, change directory and enter new file name.