Select Bulk Update Products under Inventory. Click Get Template file if you do not have one already and a template file window will open. Choose how you want to identify the product - either UPC or Product ID (SKU) - then choose a template format. Select DropShipMode from the Fields Menu and click Add to List. Click Download Template.
Open the template and enter the identification values for all products you want to update. In the DropShip column enter the value 2. Save template
On the Bulk Update Products window choose the correlating product identification mode, select a template file, and select correlating product type. Select Que for Processing (this will enable you to initiate other jobs simultaneously) and submit.
