The files that are created are saved in the Json database, if you would like to create your own files you can create them in the items and sitemaps files and openhab will utilize both.
backup …
if you run on a raspberry pi, @ThomDietrich will, when he can, add an option to do this in his config options.
i use rpi, but essentially you copy the user folder and some of the conf files. then replace them after you upgrade.
