How to View Multiple Documents Simultaneously in Word 2007
Word 2007 keeps each document you create or open in its own, separate window. You can display two or more documents on the screen at the same time, using the Arrange All feature.
Click the Arrange All button, located in the Window group of the View tab.
Immediately, Word organizes all its windows, by placing them on the screen like a jigsaw puzzle. This arrangement is fine for a few documents, but for too many, you end up with a mess. Because Word doesn't arrange minimized windows, one way to keep multiple windows open yet arrange only two is to minimize the windows you don't want arranged. Then click the Arrange All button.
Here are some things to remember when using the Arrange All feature:
Yes, the Ribbon disappears when the document window gets too small.
Although you can see more than one document at a time, you can work on only one at a time. The document with the highlighted title bar is the one on top.
After the windows are arranged, you can manipulate their size and change their positions with the mouse. This is a Windows thing, not a Word thing.
Clicking a window’s Maximize button restores the document to its normal, full-screen view.