Magento 2 doesn't support newsletter popup by default setting. Newsletter popup help an e-commerce store to increase subscribers. This extension contains both basic and advanced features. Merchants can customize their popup easily, they also choose one in 6 popular layouts. "Magento 2 Newsletter Popup" extension was designed for non-technical person. If users is familiar with magento 2 admin, they also use this extension and don't need read documentation.
By using default popup widget of magento 2. All popup layouts are compatible with both basic themes and customized themes.
SUPPORT 6 POPUP LAYOUTS
Feel free to get support via email: firstname.lastname@example.org
Ver. 1.0.0 (2016-08-12)