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 ...

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.

Pick Save as PDF to choose a filename and destination, and you can even add password protection to the document if you want to. There's PDF functionality built right into Finder as well.