Two file types are recognised automatically:
1 · AX delay export — with Item name, Requested shipdate, Release date,
Open qty and Unit price. Delay = Release − Requested.
2 · Shipping schedule — weekly, with Requested week, Delivery week (current plan)
and Last delivery week (previous schedule) in ISO weeks. Delay = Delivery week − Requested week,
plus the change vs the previous schedule (Delivery − Last; negative = pulled forward).