The WooCommerce Address Book is a free WordPress plugin designed to enhance the checkout experience for online shoppers. It allows customers to save multiple billing and shipping addresses, making it easier for them to select their preferred address during the checkout process. Users can update or modify their saved addresses directly in their account section or while checking out, providing a seamless shopping experience. The plugin currently supports the Classic WooCommerce checkout and does not integrate with the WooCommerce Block Checkout, but future updates may address this limitation.

In addition to its core functionality, the WooCommerce Address Book offers customizable settings through the WooCommerce General settings panel. Users can enable the address book feature, designate a default selection for adding new addresses, and allow nicknames for billing and shipping addresses during checkout. For developers, the plugin's source code is available on GitHub, where they can also submit issues or contribute enhancements.