We've found some limitations using the Excel Add-In's Upload Wizard in Asset Management because Additions, Adjustment, Transfers and Disposals often prompt new forms after the first record is entered onto the first form. Our way around this is to not use the standard entry forms, but some alternate forms.
Read Uploading to Asset Management using Lawson's Excel Add-In.
I have an entire process detailed in some spreadsheets (1 for Large Quantity PO's, taking into consideration prior year inservice dates, etc). Dave