Expanding/Collapsing Items
In the Task List (or Gantt chart), click the right triangle (▶︎) next to a project or task to expand the project or task and show its underlying tasks. Click the down triangle (▼) next to a project or task to collapse a project or summary task.
You can expand/collapse all projects by clicking + Expand all or – Collapse all at the top or bottom of the Task List or Gantt Chart.