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 ...

However, if you are using Windows 10, do the following: When you click open a file, it will open the file with your OS default app that is associated with it. It could be a web link, video file, and ...

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 it. After you have changed this file association, though, you may want ...

The default applications your computer uses to open files can be changed if you prefer to use something other than what is currently set. When working with PDF files, for example, you can change your ...