In this tutorial you will see what to do to show all products on the sales screen. There is a filter that allows you to show or not show products that have no more stock available in their registry.
1. Click the SALES icon.
2. Click on NEW SALE - F3.
3. Click on the ARROW to display the product list.
4. Uncheck the ONLY SHOW PRODUCTS CURRENTLY IN STOCK option.
Done! Nex will show all products without stock available at the time of sale.