Unlike other browsers, Firefox only uses internal settings to select a PDF viewer. Open the "Firefox" menu, click "Options" and open "Applications." Scroll down to "Portable Document Format (PDF)." ...

You have hundreds of different types of files on your PC, and probably multiple programs that can open each one. Windows makes it easy for you to open up these files by setting up default programs for ...

When you open files that have a particular file extension, Windows will look at its configuration to determine what the default program should be in order to work with these files. The default program ...

Nearly every computer these days comes with a PDF viewer, a program that allows you to read, print, and sometimes edit a PDF file. In the newest versions of Windows 10, the default PDF viewer is ...

Windows Explorer displayed .pdf files as preview thumbnails on Zill Niazi’s old Windows 7 laptop. But on a new laptop, also running Windows 7, it displays them only as icons. Can this be fixed? I’m ...

The Windows operating system allocates a program by default for opening certain file types, but you can easily change and open them in the program of your choice. For example, pictures in Windows now ...