How to use the product sales tab September 12, 2020 19:18 How To How do I use the product sales tab? Follow these steps To view sales data by month for a product, follow these steps. Locate the product and open it. Select the Sales tab to see a monthly breakdown of sales, units purchased, and units sold. Scroll down to see a list of the Top Customers with the number of units sold by month and year to date.