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 ...

The problem can occur when the Word file you are trying to open has a different file extension than the file you are attaching. It happens when you convert the file manually. There can be other ...

In most cases, the majority of the file extensions you encounter on your computer are already associated with a program or protocol. When a file extension is not associated with a program, however, ...