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)." ...
The PDF, or portable document format file, was created to transform output from any document creation software into a file almost any recipient can open, regardless of his or her own computer's ...
You can easily change the default PDF viewer on your Mac. The option to change your PDF viewer opens when you right-click a ...