armanfissette Hi, you can find it under Ecosystems section below the table - you can always refer to https://help.rhinonature.com/manual/ecosystems
Though you may not be aware that by default baked geometry is hidden - it is handled like that to prevent Rhino not responding states. You must go to layers and make RN Export layer visible.
FYI there is also experimental hidden command _RNUnsafeExport you can fiddle around with it to automate baking/deleting but as the name stands it may be unsafe so make sure to save your work before using it.