Full Backup, Migrate
In Views, you can selected categories, custom fields, authors… to filter posts. They are site’s resources. Content Views only stores key or ID of them in View settings. In the new site, Views will not work as expected if these resources are not available/existing.
To fully backup or migrate a site, you should use a dedicated plugin, for example WordPress Duplicator.
Simple Backup, Migrate
To backup, migrate Views (including name, id and all settings of each View), you can follow below steps:
In Administrator Menu, click on Tools >> Export:
In Export page, please select Views, then click download button:
It’s done. You will get XML file which contains all Views data.
Now is time to import Views to your live site (or another site).
In Administrator Menu, click on Tools >> Import.
In Import page, select WordPress at bottom of the list:
If this is first time you import data from WordPress, it will show popup to require you to install plugin WordPress Importer, just click Install Now button:
then click button to start importing:
Please choose the XML file you exported before, then click blue button to import:
It will take a little time to finish. Then you will have all Views imported.