To show Barcode expiry date in barcode please follow the steps mentioned below:
Step 1: Go to Product and services >> Click on New item
Step 2: Add Product name and Create Barcode or Auto-generate it and then Click on Add item
Step 3: Click on the barcode in the product >> Click on Edit
Step 4: Add your desired Expiry date in the format DD-MMM-YY format and Click on Done
You can now see the expiry date is reflected in the barcode