Go to the sale you’re working on

From the list of items in the sale, select the products to be moved. If there is more than one product you can use the chevrons to adjust selected quantities within a row

Tap at the three dot (...) menu

Select ‘Move to sale’ with the arrow button to move the selected products

Select an existing sale (you can peek into the sale with the eye icon) or create a new sale

Tap ‘Move’ to move the products across