Once the barcodes are entered into the company file for your items, you can then scan an item or serial number from a product or printed list of barcodes into most transactions and QuickBooks will enter the data into the right fields on the item line of the form. Scan the same item again to increase the quantity.
To turn on barcode scanning in Enterprise Solutions 2012 (and later) with Advanced Inventory:
QuickBooks has now entered the barcodes into your company file.
To see the barcodes in the Item List:
To see and print out the Item Barcode List: