In a project that contains many tasks, you can see only a small percentage of the tasks on the screen without scrolling. An effective way to see information about more tasks on one screen is to roll up task bars; that is, display them on their summary task bars. This gives you a quick overview of the scheduled finish dates for selected subtasks. On the summary task bar, the rolled-up tasks are represented by bars and milestone dates are represented by diamonds.
To roll up a Gantt bar to a summary task bar
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, and then click the General tab.