From DB 39.5.7
Durations, resource assignments, links, todo items, and task notes are copied along.
Requested and actual dates are not copied. Calculated dates are scheduled and output on the basis of task duration data (i.e. during copying the date scheduling is carried out).
NEW External tasks which lie within the project structure are copied along, external tasks which lie outside the project structure are not copied. Up to DB 39.5.7
Durations, resource assignments, links, todo items, and task notes are copied along.
Requested and actual dates are not copied. Calculated dates are scheduled and output on the basis of task duration data (i.e. during copying the date scheduling is carried out).
External tasks are not copied.