Mac OS X computers use a default application to open every file type based on its file extension. If you don't want to use the default application when opening a file, you can select "Open With" from ...

Android is a powerful and versatile operating system, but it can also become cluttered and confusing over time. One way this can happen is with default app settings. When you first install an app, it ...

Your computer, your phone and your tablet all have default apps, the preloaded software that springs into action whenever a specific task needs doing. Click an image you've just received over email, ...

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 ...

In OS X, all file types have a default application that opens when you double click on them. If you double click on a PDF file or a PNG file, chances are that your Mac will open it in Preview, Apple’s ...

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 ...

Windows 8 chooses its default players to run your music and video, but what if you want different programs to open your files? Here's how to change them. John Thompson John Thompson has been addicted ...

Back in the pre-Mac OS X and macOS days, Apple’s System 9 and earlier relied on hidden metadata to associate files with apps. File extensions, those bits of text that follow a period at the end of a ...