A reader would like to know how to change the default program his computer uses to open .jpg files when he double-clicks on a photo file. Most computers will use their operating system’s default ...

Often when you install a new application, it asks you to make it the default program for certain file types. If you're too quick with the "Enter" key during installation, you might inadvertently grant ...

When you first install Microsoft Word 2010, it automatically sets itself as the default program for handling Word documents. This means anytime you double-click a Word document from File Explorer or ...

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 ...

So did you read my Airmail review a few weeks back and download it, ready to try things out? Did things go swimmingly until you clicked an e-mail hyperlink and Mail opened up instead of a new message ...

What steps do I need to take to change the default action on Windows XP and Windows 7 when someone tries to open a CHM file? I want the file extension to be associated with notepad.exe for ALL users.