If the default email template of WooCommerce looks plain to you, and you are looking for a way to customize WooCommerce emails, here is what you need.
Demo: https://codecanyon.net/item/woocommerce-email-template-customizer/28656007
WooCommerce Thank You Page Customizer allows you to customize your Thank You page what give coupons to customers and show upsell products after a successful order.
Demo: https://codecanyon.net/item/woocommerce-thank-you-page-customizer/22956731
YayMail is an email maker plugin, and as the builder part implies, you can drag and drop blocks to create completely new email templates.
Demo: https://yaycommerce.com/yaymail-woocommerce-email-customizer/
Printcart Product Designer plugin is a responsive plugin packed with exclusive functionality that provides customers a great experience with the high-quality outcome.
Demo: https://codecanyon.net/item/nb-designer-cloud-web-to-print-product-customizer/40073341
You have the problem concerning customize the WooCommerce Emails on your store? Do not worry !! The PanMail plugin lets you customize WooComemrce emails with template builder.
Demo: https://codecanyon.net/item/panmail-woocommerce-email-customizer/38429539
You’ve got a shop on WooCommerce, but you don’t want the same old email template everyone else uses. You need something different and unique. With Email Creator, you can create eccentric & beautiful emails with a few clicks of your mouse.
Demo: https://codecanyon.net/item/email-creator/39031325