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 ...

If your Excel files are opening in Notepad on Windows PC, here's how you can reset the settings to make .xls, .xlsx, etc files open in Excel.

If your Excel files are opening in Notepad, you should be able to open it by changing the default file types settings, among other fixes.

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.

Suppose, if we required in our application to save the data in text format or in an Excel format for the analysis purpose, then there will be a need to open the Notepad and Excel and read-write data ...