This article will teach you how to use WP All Export plugin to export your listings.
You can use WP All Export plugin to create XML / CSV files. Listivo has integration with a free version of this plugin.
Use this link to download the plugin - https://wordpress.org/plugins/
Remember to activate it.
It is important to click the "Customize Export File" button, not the "Migrate listing" below:
In the last step, you can add advanced settings and name your export. When you set everything, click 'Save & Run Export'.
Congratulations, your database has been successfully exported.