For example, you might acquire a CSV with a name such as Sales. It has no file extension, but spreadsheet programs such as Excel can this type of file if you launch the program and open it from ...

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.

How to open an Excel file in Notepad++? Save your Excel file in CSV format Download Notepad ++ via this link. Open Notepad++, change the file type filter to "All Types (.)" to see Excel files with ...