Go to Online Store > Themes > Customize. Under the App Embeds section, enable both "Cancel & Reorder Links" and "Order Cancellable Script", then save. Also ensure you have configured the "Order Table Selector" in the app settings to match your theme's order history table.

The Order Table Selector is the CSS class or ID of the order history container on your account page. You can find it by right-clicking on your order table and inspecting the element. Common selectors include .order-history or #order-history.

Yes, customers can select from pre-defined cancellation reasons or choose the "Others" option in the popup to enter their own custom reason.

Yes, if you configure the SMTP settings in the app's General Configuration, you can send automated, fully customizable email notifications to your customers upon successful cancellation.

The app is $3.00 USD per month and includes a 3-day free trial so you can test out all the features before subscribing.