In Excel, in order to properly format barcodes, a useful tip is to adjust EXCEL / FORMAT to the Custom format with 13x “0” for the barcode column.
This allows you to add the leading 0s in case of loss.

In Excel, in order to properly format barcodes, a useful tip is to adjust EXCEL / FORMAT to the Custom format with 13x “0” for the barcode column.
This allows you to add the leading 0s in case of loss.
