Step 1: Go to SALES, then click on Manage Orders.
Step 2: Select the order to edit, then click on its Edit button.
Step 3: Edit Order page allows you to make changes on the following details of an order in Processing or Backorder status:
An option to Print Picking Slip and Reorder are also available on Edit Order page.
Step 4: Click on Save & Close button once done with the changes.