Like the GIF (that's Graphics Interchange Format), the PDF (Portable Document Format) has survived and flourished through the digital age. That's partly because of its versatility: It's the go-to ...

You can combine multiple PDF files into a single, easy-to-share document using simple software on your Mac computer or Windows PC. Here's how.

How to Save Part of a PDF File to Another File. PDF files are text-based documents that can include links, photographs and other media. They're typically opened with Adobe Acrobat or as read-only ...