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.

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 ...

The colors you see in a PDF file on your screen don't always translate precisely to the shades that appear when the document comes out of your printer. One possible reason for the variation involves ...