I'm going to assume you can already print from the computer to the Zebra. I am also going to assume that since you have Excel, you also have Word. The first thing you need to do is layout the labels in Word. I cannot be more specific because I have no idea what size labels you are using.
Create and print labels
Next you need to merge the values from Excel into Word
Mail merge using an Excel spreadsheet
Here are some videos that might help
Mail merge Word
