Moving Keynote presentations between Mac and Windows can be tricky, especially if you want to open them in PowerPoint. To solve this problem we show you easy ways to edit .key files on a Windows PC ...

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 ...

How to Open RegEdit to a Specific Key. The Windows Registry Editor, or RegEdit for short, has a feature that lets you add a specific key to the Favorites menu for easy reference.

If you want to quickly open a file into a program, the program should support the extension type of the file you want to open, and it should be the default application for the program.