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 ...

Microsoft uses file associations to set default programs for opening different file types on all its operating systems. As a result, when you open a file, be it text, image, or document, on your ...

When you double-click a file on your computer, Windows may launch an application to run or display the file. Windows knows how to do this because it maintains a list of known file types and the names ...

I should have put this in my book I just learned two Windows command line utilities that I never knew existed: assoc and ftype. Both will display or modify the file association list, and are ...

You might encounter a situation where you may not be able to open any .exe files or shortcut link files, i.e., EXE or LNK files. You might instead get a “Open with” dialog box, or it may open the file ...

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 ...

Windows associates data files with applications so that the appropriate program launches automatically when the icon or name of the data file is clicked. For example, if a GIF image is associated with ...

In Windows 11 or Windows 10, you can Configure, Export, Import File Associations and even set or change file associations and extensions using GUI, but there is no option provided to delete an ...

Apparently Chrome doesn't have the file extension association for the ICA file. I downloaded ASTRO and added the .ICA to the system extensions, but I cannot seem to point it to any app to launch. I ...