Free software on your phone or tablet lets you scan, create, edit, annotate and even sign digitized documents on the go.

Scanning a letter document into a PDF digitizes your business's important documents in a way that enables text searches. The software technology that makes such searches possible is called optical ...

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 ...

Over the years, Adobe's PDF file type has become a universally accepted method for sharing digital documents. The format's cross-platform adoption means the documents can be viewed on almost any ...