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 ...

Using iCloud to edit Keynote on a Windows PC If the Keynote file wasn’t created by you, or you don’t have access to a Mac, then it takes a little more effort to open a .key presentation.

If you double-click a file and it opens in the wrong program, try this: In Windows’ File Explorer, right-click a file with the extension you have in mind, and select Open with.

BearPup sometimes wants to open a file in one program, and other times open it in another. He asked the Answer Line forum for an easy way to do this.