To sort tasks by properties:
- Click the Current Task -> Filters... menu item.
- Choose an existing filter or create a new one.
- Click the Task Parameters tab.
- Set the order direction and the order level.
- Click the Save button.
- Click the Current Task -> Subtasks... menu item.
- Use the Filter Parameters pulldown to choose your filter.
To temporarily change the sort order:
- Click the Current Task -> Subtasks... menu item.
- Click the column header.