How to Create and Print Barcode Labels From Excel and Word Making 1D Barcode Labels Using Excel Here, we assume that you will use 1D barcodes for making SKUs. 1. SKUs typically use Code 39 or Code 128. Code 39 generates longer barcodes, so it is less suitable than Code 128 for smaller containers. Whichever symbology you prefer, the first step is to download its barcoding font.