The document window is where your images appear. You can open multiple windows to display different images or different views of the same one. A list of open windows appears in the Window menu. To bring an open image to the front, choose the file name from the bottom of the Window menu. Available memory may limit the number of windows per image.
Displays undocked windows stacked and cascading from the upper-left to the lower right of the screen.
Displays windows edge to edge. As you close images, the open windows are resized to fill the available space.
Float in Window
Allows image to float freely.
Float All in Windows
Floats all images.
Consolidate All to Tabs
Shows one image in full screen and minimizes the other images to tabs.
You can use the Hand tool’s Scroll All Windows option to scroll through all open images. Select it in the options bar and drag in one image to scroll through all visible images.
Select Zoom All Windows in the options bar, and then click one of the images. The other images zoom in or out the same relative amount.
Choose Window > Arrange > Match Zoom. Hold down the Shift key and click one of the images. The other images zoom in or out at the same magnification.
Choose Window > Arrange > Match Location.
Select the Hand tool, select Scroll All Windows in the options bar, and then drag to view another area in one of the images. (To temporarily enable this option, hold down the Shift key while dragging with the Hand tool.)
Photoshop automatically scrolls to the same relative location on the horizontal and vertical axes. You may need to manually scroll to reveal the edges of images.