How to backup your WordPress site
Built-in export tool
https://www.mkheritage.org.uk/wp-admin/export.php
Choose what to export > All content
Backs up pages as XML file.
Customizer Export/Import
https://www.mkheritage.org.uk/wp-admin/customize.php
Export/Import > Export
Backs up your customization settings as a DAT file.
Export Media Library
https://www.mkheritage.org.uk/wp-admin/upload.php?page=mass-edge-export-media-library
Folder Structure > Nested folders
Compress > Yes
Backs up your media library as a ZIP file.
Search & Replace
https://www.mkheritage.org.uk/wp-admin/tools.php?page=backup-database
Backup Database > Create SQL File
Download SQL File
Backs up your WordPress database as an SQL file.
Widget Importer & Exporter
https://www.mkheritage.org.uk/wp-admin/tools.php?page=widget-importer-exporter
Export Widgets
Backs up all active widgets as a WIE file.
Users
https://www.mkheritage.org.uk/wp-admin/users.php
Copy the table into Word document
Backs up the list of users for your site.
Save Mantra settings
https://www.mkheritage.org.uk/wp-admin/themes.php?page=mantra-page
Export Theme Options
Backs up Mantra settings as a TXT file.
Plugins used
Customizer Export/Import
https://en-gb.wordpress.org/plugins/customizer-export-import/
Export Media Library
https://en-gb.wordpress.org/plugins/export-media-library/
Search & Replace
https://en-gb.wordpress.org/plugins/search-and-replace/
Widget Importer & Exporter
https://en-gb.wordpress.org/plugins/widget-importer-exporter/