(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 ...

One of the more frustrating things I experience in daily usage of my Mac is opening a file that launches an unexpected application, which can sometimes result in a failure to open the file. Joe is a ...

Every file on your hard drive (.jpeg, .html, and the like) can be associated with a compatible program, which will open that file format by default. Some applications will change a format’s default ...

Jeff Werner is a software engineer and has been writing this column since 2007. Question: When I download any .pdf file it tries to open in word. I know I have some setting wrong. How do I change it?

I recently changed the file association for a subset of my video collection. Now, I've always assumed that that sort change registered itself on the OS level and that the file itself goes untouched.

Jeff Werner is a software engineer and has been writing this column since 2007. Question: I’m getting the dreaded “Explorer.EXE, This file does not have an app associated with it for performing this ...