WARNING: Your shop must have the REST Web Services option activated to be allowed to perform a refund from your CMS.
Before you perform a refund, make sure you have properly configured the REST API keys section in the General Configuration menu of the payment module.
Click on the order that you would like to refund.
Click the Refund button.
Enter the amount from the Refund Amount field.
Click the Manual Refund button.
To perform a refund via your the Back Office of your CMS:
Go to WooCommerce > Orders.