Importing items is a fast way to fill in the Purchase Order...

and very helpful if you have a Bill of Materials or an agreed-upon Quote from the supplier.

Just press Import Items and follow the instructions.*

* This feature is unavailable if you have disabled the Empty rows for items in the PR/PO/Invoice.
To enable this feature press the tick-box on the appropriate tab here:

The template of the file will contain all the necessary fields to create items in the Purchase Order.

If you have some cost centers in it, it would be better to copy and paste the values of the cost centers right from the Precoro.