One of the things we get a lot here at Cult of Mac, especially in our coverage of games, is folders full of promotional images. Now, for a variety of reasons, we often need to change the type of those ...

Microsoft uses file associations to set default programs for opening different file types on all its operating systems. As a result, when you open a file, be it text, image, or document, on your ...

When you open files that have a particular file extension, Windows will look at its configuration to determine what the default program should be in order to work with these files. The default program ...

Each file in your Windows operating system has an extension in its filename, eg. .txt, .doc, etc. These extensions are used to identify the program, with which, windows can open this file. You can set ...

All your PDF files open in Adobe Reader, but you want them to open in Preview. All your JPEG files open in Preview when you’d rather they open in Photoshop. How do you change what Mac OS X uses as the ...

Normally, if you change a file’s extension in Windows, it doesn’t do anything positive. It just makes the file open in the wrong programs that can’t decode what’s inside. However, [PortalRunner] has ...

When you double-click on a file in Windows XP, the operating system will automatically open the file using a program that has been is associated with the file's extension. It is possible, though, to ...