Knowing the demands of customer is vital for store revenue. The store owner must be aware of the products which are in stock or not as well as what products customers wish to buy. Magento 2 Out of Stock Notification extension by Meetanshi allows store owners to do so. The extension allows customers to subscribe to the products which are out of stock and notify them when the products are available again. The store owner can keep track of the subscriptions and analyze it to increase the availibality of the products and enhance user experience.