#How to open up multiple windows on top of each other full#
Tip To restore a workbook window to full size, click Maximize at the upper-right corner of the workbook window.
![how to open up multiple windows on top of each other how to open up multiple windows on top of each other](https://www.digitalcitizen.life/wp-content/uploads/2020/10/app_windows-2-587x225.png)
Note If you keep more than two workbooks open, Excel displays the Compare Side by Side dialog box.
![how to open up multiple windows on top of each other how to open up multiple windows on top of each other](https://modernize.com/wp-content/uploads/2019/03/Window-world-double-hung-min-1024x572.jpg)
Note This option is available only when View Side by Side is turned on.