Using the ViewCube, you can orient a 3D view to any plan, elevation, section or 3D view in the model.
If you are using the ViewCube in the Family Editor, or are using it in the Type Properties preview window, you can orient to a direction. Direction corresponds to Front, Back, Left, Right, Top, Back Left Isometric, Back Right Isometric, Front Left Isometric, and Front Right Isometric.
To orient a 3D view to another view
To orient a 3D view to a direction