Use Window | Arrange | Horizontal to see both windows on screen at the
same time. Then you can just click in the window you want to work
with.

Hope this helps.

Pete

On Nov 6, 4:22*pm, Big D in Brighton <Big D in
wrote:
I need to work on two excel files on the same screen at the same time. *When
I click back and forth, one screen drops off the screen