3 Ways to Create a Barcode - wikiHow Windows - Click File, click Save As, double-click This PC, click Desktop on the left side of the window, type barcode into the "File name" text box, and click Save, then close Excel. Mac - Click File, click Save As..., type barcode into the "Save As" field, click the "Where" box and click Desktop, and click Save, then close Excel. 5