Collapse/Expand All

You can easily collapse or expand all tasks in the Gantt chart tree. Click the arrow at the top of the Summary column to perform the action.

When you click the arrow located next to a task, the tree will also expand and collapse; however, the app will not expand all children tasks. It will remember the state of the tree and expand it back to its previous state. Effectively, you are expanding/collapsing just one element.