You can use the Update Order Status feature in Project Editor to update the Order Status fields for multiple products simultaneously.
This is a manual update of these fields; this data is not linked to purchase orders.
You should only use this feature if you are not creating purchase orders in SI but want to track these fields from your external purchase order management system.
There is a different feature for updating these fields from purchase orders named Update from Purchase Orders.
1/ Select the products you wish to update, then click the Update > More > Order Status on the Tools tab.
You will see the following form.
Here you can select the fields you wish to update and enter values.
2/ Click the Update button when done.
This will populate the selected fields for the selected products.
You can also view and edit these fields for an individual item from the Edit Product form.