Default Shipping Carrier

You can set a default shipping carrier and method for drop ship POs by going to Admin -> Payables -> General Setup -> PO -> Drop Ship Default Shipping Method. Go to Admin -> Setup Payables -> Shipping Carriers.

You can add to the list of carriers and shipping methods by going to Admin -> Payables -> Shipping Carriers.

You can set a default shipping method for new customers by going to Admin -> Billing -> Company Options -> Defaults -> Customers -> Default Shipping Method.

You can require users to select a shipping method for fulfillment orders by turning on the option Admin -> Billing -> Company Options -> Invoicing & Ordering -> Fulfillment Orders -> Require Shipping Preference.