CMW9

Does anyone know if "export notebooks" (as described in link above https://help.evernote.com/hc/en-us/articles/208313528-How-to-back-up-and-restore-your-data-in-Evernote-for-Windows) is available only to Premium? I currently see no right-click context menu on my notebooks. (I am delaying upgrading to Premium until I get my new student number (and discount) in Sept ... but petrified of data loss in the meantime! (Through my own error ..)