Master the file format that works everywhere and anywhere—even from your phone.

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.

You can upload a file on Google Forms, allowing you to add an image or video to supplement your survey, quiz, or sign-up sheet.

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 save and share a webpage in a hurry? The best way is to create a PDF file. Here are step-by-step instructions revealing how to save a webpage as a PDF.