Required materials: computer, excel.

1. First, create a new blank document, as shown in the following figure:

2. Select Insert to enter barcode selection, as shown in the figure below:

3. Used for serial number, service number and membership card, as shown in the following figure:

4. Select the coding drop-down arrow. There are seven styles to choose from, as shown in the following figure:

5. Select UPC-A format, as shown in the following figure:

6. Enter the barcode number to be made, and click below to insert, as shown in the figure below:

7. After making, you can add a border and trim it.

Related introduction

Bar code is a graphic identifier, which arranges a number of black bars and blanks with different widths according to certain coding rules to express a group of information.

Common bar codes are parallel lines composed of black stripes (called stripes) and white stripes (called spaces), and their reflectivity is very different. Barcode can indicate the country of production, manufacturer, commodity name, date of production, book classification number, starting and ending place, mail category and date and many other information, so it has been widely used in many fields such as commodity circulation, book management, postal management, banking system and so on.