Magento 2 Out of Stock Extensions

The Out of Stock Notification Magento 2 Extension allows you to notify customers when an item they are interested in is back in stock. This extension is perfect for businesses that sell products that are frequently out of stock, or for businesses that have a large inventory and want to keep customers updated on new arrivals. 

The Out of Stock Notification Magento 2 Extension is mostly easy to install and configure, and comes with a user-friendly interface. There a multiple extension vendors offering an extension for this feature.