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 ...

PDFs remain a common way to share documents because they preserve formatting across devices and platforms. Sometimes, however, you end up with several separate PDFs that would be easier to handle as a ...

A PDF (portable document format) file provides a quick and convenient way to share and print documents and files. You can edit and create PDF files if you have the right apps, but these are primarily ...