How to add a UPC / EAN or ISBN to your Shopify product

Update/Add a UPC/EAN or ISBN in Shopify

In Shopify click on Products in the left navigation then the individual product you want to add a UPC to.

Scroll to the Inventory section

Add the UPC and click Save at the bottom of the page.

Update/Add a UPC/EAN or ISBN in Shopify - Bulk

You can bulk update your products in Shopify using the instructions on the Shopify site:

https://help.shopify.com/en/manual/products/import-export/import-products#import-products-after-making-changes-to-your-csv-file