How to back up fully Customized WordPress theme and its page, post, full setting, contact form 7 data? So that we can install it directly on any other WordPress website.
the simplest to do is to copy the whole website. read this : codex.wordpress.org/Moving_WordPress– mmmMay 18, 2018 at 9:57
Best practice to backup whole theme and data, first you need to export the XML file.
Login to WordPress Dashboard > Tools > Export
Every theme save their options differently, You can use third party plugin which favors your theme to export the settings.