To order through the website and get the employee discount, it is necessary to set up an account with Office Depot.
Employees can also take advantage of Office Depot discounts by printing the discount card and taking it when shopping at an Office Depot store (note: you may be asked to produce evidence of your employment).
https://odams.officedepot.com/registrations/portal.php?a=24780322
Office Depot Discount Information