![how to open files that have unknown extensions how to open files that have unknown extensions](https://www.geekrevealed.com/wp-content/uploads/2012/01/WindowsUnknown-80x80.jpg)
As you might be aware File Extensions are the prefixed characters that help to decide the type of file, like a jpeg image has the extension .jpeg and you know that which software program or application will be required to view or open the file. In this article I will guide you on how to ...