(1) The relationship of one file to another based on the data it contains. (2) An established relationship between a file and the application used to open it. There are default file associations ...

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 ...

When you double-click on a file in Windows 8, Windows will automatically open that file using a program that has been associated with that file's extension. There may come a time, though, that you ...