Welcome to TNW Basics, a collection of tips, guides, and advice on how to easily get the most out of your gadgets, apps, and other stuff. PDF files are everywhere, from emails to scientific papers.

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.

A PDF is a suitable file format for creating and reading e-books. However, if you want to open an e-book in most e-readers, like the Amazon Kindle and B&N Nook, you must first convert it to an EPUB.

Portable Document Format files, or PDFs, are easily presented and exchanged across softwares—even Word—so here’s how to convert a PDF into a Microsoft Word document. Converting a PDF into a Microsoft ...