Hierarchy of Project Plan Tasks

The project plan has a hierarchical structure. You can edit it on the project plan editing page.

To edit the task hierarchy:

click Actions - Create Sub-Task on the project task page (fig. 1);

Fig. 1. Project task page. Actions - Create Sub-Task button
click Add… – Sub-Task, Successor Task or Predecessor Task on the project plan editing page, in the context menu of the required task (fig. 2);

Fig. 2. Project plan editing page. Task context menu
click or on the project plan toolbar to level up/down the task;
drag the tasks to the required position of the plan (fig. 3).

Fig. 3. Project plan editing page. Dragging tasks in the list