If you cannot open the Excel file from its location, simply open any Excel file and click the File tab. Then, go to Open > Browse and select the file giving error ...

If you’ve tried to open an Excel file and been met with the dreaded extension not valid error, you probably have a corrupt workbook in your hands. It is common to get the common Excel xls and xlsx ...

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 ...