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 ...

The Macintosh operating system has a quick and convenient way to organize files by type. Business users that are used to using Windows systems simply need to learn the terminology used on a Macintosh ...

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 ...

In OS X, all file types have a default application that opens when you double click on them. If you double click on a PDF file or a PNG file, chances are that your Mac will open it in Preview, Apple’s ...

I was recently editing a Markdown text file synced by the GitHub app for Mac when I noticed that every time I double-clicked the file in Finder, it kept launching Obsidian without actually opening the ...

One of the things we get a lot here at Cult of Mac, especially in our coverage of games, is folders full of promotional images. Now, for a variety of reasons, we often need to change the type of those ...