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 ...

If Microsoft Excel fails to recognize a file in the XLSX or XLS format, the data contained in the file could be corrupted. When you open a corrupted workbook in Excel, the program should automatically ...

All these fixes are explained below in detail. 1] Are you saving the file as CSV? CSV is the Comma-Separated Values format for Excel files. Excel does not save formatting in CSV. Therefore, if you are ...