If Excel files are not opening on your Windows 11 computer, you can find the reasons and the most effective solutions in this article.

Fix Excel opens in tiny window If your Excel spreadsheet always opens in a small window and not a maximized one, follow these steps to resolve the issue: Close all Excel files open. Open Excel again.

Learn how to change the default file format for saves in Word, Excel, and PowerPoint, so that you do not need to change it every time.