When you update the files for a specific variant, you may want to notify all previous customers. This can also be used for pre-orders of a product where you attach the files after the initial purchase and then notify all customers that their files are ready. To enable this setting, follow these steps:
1. Visit the Sky Pilot Product section
![](https://cdn.shopify.com/s/files/1/0651/5982/3550/files/pre-orders_1.png?v=1719929733)
2. Select your product/product variant
![](https://cdn.shopify.com/s/files/1/0651/5982/3550/files/preorders_2.png?v=1719929797)
3. Click on Notify All Past Customers
![](https://cdn.shopify.com/s/files/1/0651/5982/3550/files/preorders_3.png?v=1719929863)
4. Preview and edit the email; once you are ready to send it to all past purchasers, click on Send Notifications
![](https://cdn.shopify.com/s/files/1/0651/5982/3550/files/preorders_4.png?v=1719929912)