1. Go to Settings.
2. Press General Settings.
3. Scroll down to the Stock Management section.
4. Select Enabled under DEFAULT BACKORDERS ON NEW PRODUCTS.
5. Scroll down and press Save.
Automatically Enable Backorders for New Products
Automatically enable the backorders feature for every new product added to the POS. This is useful for businesses that have products that sell quickly and might not have the time or resources to update stock quantities upon receipt of that stock.