QuickBooks Desktop Enterprise with Hosting also comes with all the functionality of our QuickBooks Desktop Enterprise software, as well as its look and feel, so there's nothing new to learn. That means you have the extra flexibility of accessing QuickBooks Desktop Enterprise anytime, anywhere, and on any device, including Mac. Everyone in your organization, plus any authorized partners like your accountant, can work with the same data at the same time, no matter where they're located. With QuickBooks Desktop Enterprise with Hosting, your software and data are stored securely on remote servers, not on your office computers. It has all the features you love in Pro and Premier - and more.
Second option is to create a credit memo. From there you can choose to issue customer refund on that credit. You will then see there is a credit to the customer. One option is to revise the invoice or sales receipt for the actual amount. However, if you want to quickbooks refund customer, then you have several options to doing so.