If you notice that your Excel files are opening in Notepad, then read this post to learn how to fix the issue. The default behavior of a document or file is to open in the application with which it ...

Learn how to open RPT files on Windows using Crystal Reports, Excel, or free viewers. Step-by-step guide for all file types.

To learn more about these steps, continue reading. There is a special situation, and Microsoft has known it for a long time. Let’s assume that you have multiple Excel windows opened on your computer.

Microsoft Excel has several features designed to help you recover unsaved versions of files and prevent data loss.

All details in this article are correct as of October 7, 2025. Accessibility to some of the latest Excel features depends on ...

I have a 13 MB file that opens fine in Excel 2000. It's approximately 100 sheets, with each sheet having in the neighborhood of 256 columns and 100 to 250 rows. A lot of work went into creating this ...