This feature enables your returns to be automatically restocked upon receiving an item back to your location and resolving the request.
Note: This feature is only available on Gold and Platinum plans.
To enable auto-restock:
Go to Return Portal Settings > Refunds & Exchanges.
In the Refunds & Exchanges page, scroll down to the Auto-restock option.
Select the Auto-restock products check box to enable auto-restock. By switching this feature on your inventory will restock in Shopify automatically.
Select the Save button to save the changes.
This feature is now enabled. When you're processing customers refund through the app, you can select the Restock item check box, if you would like to restock item.