How to open the O/E Serial/Lot Numbers Screen on Sage 300 Order Entry Steps: Open Order Entry > O/E Statistics and Inquiries > Sales History.Specify criteria, and then click the Go button to view results.In the table, click a detail line to select it, and then click the Details button to open the O/E Sales History Detail screen.Select a detail line for a serialized or lotted item, and then click Serial/Lot Numbers. Sage 300 Request Support