While it is technically possible to open an Excel file in Notepad, this is not a good idea. Excel files are binary files that contain complex formatting and data structures. When you open an Excel ...

To open a CSV file in Notepad, you need to open Notepad > click on File > Open. Then, select All Files and choose the CSV file. Read: How to Convert CSV to Excel (XLS or XLSX) using Command line.

Fix Excel files opening in Notepad. If Excel files are opening in Notepad on your Windows 11/10 PC, use these solutions to fix the issue: Check the file extension. Use the Open With option.

As you can see, it’s incredibly simple to convert Excel to CSV, and it can be one right from Excel software or the online version of Excel. To learn more about CSV files, we have great guides on how ...