One of the most widely used form plugins is WPForms. The lite version of WPForms crossed over 5 million active installs. The WPForms plugin uses the following custom database tables for data storage; wp_wpforms_entries wp_wpforms_entry_meta wp_wpforms_entry_fields wp_wpforms_tasks_meta wp_wpforms_admin_builder_templates_cache_update wp_wpforms_email_summaries_fetch_info_blocks wp_wpforms_process_forms_locator_save wp_wpforms_process_forms_locator_scan wp_wpforms_admin_addons_cache_update The database prefix will differ depending on the table prefix defined in your site’s wp-config.php file. The WPForms plugin has an uninstall option which can be found in the settings menu in wp-admin; WPForms > Settings > Misc When you deactivate and delete the WPForms plugin, all the data it uses will be deleted without needing to manually