Just like how you add inked signatures on a hard-paper document, you can also add an electronic signature to your PDF document in the Edge browser.

Printing to PDF on a Mac is a great way to share your files and also save paper. This simple how-to guide shows you how to print files to PDFs.

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 the creator of a PDF file sets up her document determines the extent to which you can use Acrobat Reader's commenting tools to mark the file with notes about its content.

Need to add text to a PDF that doesn't support editing? No problem -- and no extra software required.