How to reopen a 2D Blender File? I made a 2D animation in blender and saved it. But when I reopen the file, it opens up in the 3D form with the 2D part on a flat plane in the space. How do I change it so that the camera faces the 2D animation straight again?
When doing 2d animation, you are still in 3d space but your camera is positioned vertically above the drawing plane.

So to get back you just 


press Numpad 0 if there is a camera in the scene 
or press Numpad 7 to go into
top view with the viewport camera.