From the Main Navigation Screen click on the icon on the top left with 9 squares.
Select Document Management
Click Add Document
From the Document Type dropdown list, select AP Trade Invoice
Click Create
Drag the file from Windows Explorer (Unpaid Invoices are in F:\Unpaid Bills\Vendor Name and named the invoice number) to the area marked for Drag and Drop
Click on Attributes
Enter Vendor Number, Invoice Number and Company Number.
Click Save