A Project Summary Task displays your whole project on a single row with its own summary taskbar.
- Go to the Format tab on the ribbon
- Select Show/Hide section
- Click on the checkbox Project Summary Task
To make the Project Summary Task default for all new projects:
- Go to the File
- Select Options
- Select Advanced
- Scroll down to the middle of the screen
- Find Display Options For This Project
- Select For All New Projects from the drop down
- Put the checkbox Show Project Summary Task