When you first save your project, you set the project name or the project title. After that, you can change it at any time.
Choose File > Info.
On the right, choose Project Information > Advanced Properties.
On the Summary tab, type the new name in the Title box.
To get back to your project view, click the back button .
Note: To rename a project in Project 2007, right-click the file, and then choose Rename on the shortcut menu.