The Icegram Express plugin is an email marketing service integration for Icegram, which can be commonly used on a site. The Icegram Express plugin uses many custom database tables for storage; wp_ig_actions wp_ig_blocked_emails wp_ig_campaigns wp_ig_contact_meta wp_ig_contactmeta wp_ig_contacts wp_ig_contacts_ips wp_ig_custom_fields wp_ig_forms wp_ig_links wp_ig_lists wp_ig_lists_contacts wp_ig_mailing_queue wp_ig_queue wp_ig_sending_queue wp_ig_temp_import wp_ig_unsubscribe_feedback wp_ig_wc_cart wp_ig_wc_guests wp_ig_workflows wp_ig_workflows_queue The easiest way to remove and delete left-over database tables for Icegram Express is by using a plugin such as WP-Optimize or a host-provided application such as phpMyAdmin. The Icegram Express plugin uses the following option names; there may be a few additional transient-based option names used as