The "*.DigiKey_bom.csv" Web Order file has 3 quantity columns
On the DigiKey website:
upload this file from the web page
update column headings on the DigiKey form
column 4: do not use
column 5: Reference Designator
column 6: Customer Reference
column 7, 8 or 9 Quantity
Submit the form to make an order
Then you can go back and update quantities.
You can also edit the ".csv" file in a spreadsheet
prior to submitting it as long as you remember to
save it as ".csv" and not in ".xls" or ".xlsx" format.