Portable document format (PDF) files remain a popular choice for business documents ranging from contracts and forms to manuals and reports, so there's a good chance you need to open them often.
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)." ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback