1. Hold window+space then the left arrow key. This will pop the window to the left.
2. If that does not work, try: alt+space then x. This will maximize the window. You can then scale it down.

Exporting an FBX camera rig.

1. Create a new camera
2. Point constrain and orient constrain your animated camera to the new camera.
3. export the new camera as FBX, making sure "animation" and "bake animation" are on in options