iMovie '11: Project Library
The Project Library organizes and provides access to all your iMovie projects.
To open the Project Library: Click the Project Library button.
Depending on how you have your iMovie window arranged, this button often appears in the upper-left corner of the iMovie window.
To preview a project in the library: Click to select the project, and then move your pointer over the project filmstrip.
The video appears in the viewer on the right.
To open a project: Double-click it (but don’t click directly on the project’s name).