When you double-click on a file in Windows, it will automatically open a default program that is configured to manage these types of files. It is common, though, want or need to use a different ...

Fret not, though, because in this tutorial we show you how to edit .key files in Windows. Related: Apple Keynote Review | 10 Apple Keynote Tips | Alternative to Apple’s Keynote or PowerPoint for Mac ...

How to restore your default file extension associations in Mac OS In the Mac OS it is possible to change the default program the operating system will use to open a file when you double-click on ...