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 ...

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.

The PDF file format has great support for text and video, as well as an efficient file size, making it a great format for all kinds of documents and data. It’s also excellent for preserving the ...