Select this check box to copy the complete operational (task) structure from the source project to the destination project.
With this check box selected, all task lines in the table in the Tasks section are selected. You can, however, deselect lines that are not to be copied by clearing individual check boxes (in the Tasks section).
Budgets linked to tasks that you have selected to be copied to the destination project will be copied automatically. Parent tasks and budgets are also copied.
