Have you ever opened a file, but found that the program you wanted didn’t appear? For instance, instead of iTunes opening up an MP3, you get Windows Media Player instead? That’s because you haven’t ...

David Nield is a technology journalist from Manchester in the U.K. who has been writing about gadgets and apps for more than 20 years. He has a bachelor's degree in English Literature from Durham ...

Prior to Windows XP, it was possible to set a program to be executed for each file extension and to divide file icons, but in Windows Vista and Windows 7, the icons of programs to be executed may be ...

Whenever you open a particular type of file in Windows, you may find that you don’t have a program set up as a default piece of software for that file. That means you may be using two or three ...