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 ...

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)." ...

Mozilla's latest version of Firefox conveniently includes a built-in PDF viewer. If you prefer your own PDF viewer, here's how to change it. Ed Rhee, a freelance writer based in the San Francisco Bay ...

If you're using a recent version of Windows, Microsoft's Edge browser will "helpfully" make itself your default PDF viewer. You might want to change that default ...

When receiving and reviewing work documents, downloading articles, or arranging a portfolio, you may find yourself accessing many PDF files. The default PDF viewer on Mac computers is Preview – but ...