Clicking the Sign icon on Reader's toolbar let us digitally sign documents by adding text or attaching a signature via a wizard. Reader rendered each document with high detail and faithful color reproduction.

We clicked Open and browsed to a folder full of PDFs we use for testing. Reader X's familiar interface opens with a quick-start file manager from which we could open a recent file or log in to an existing Adobe Online account. With it you can view and annotate all PDF files, sign documents electronically, and access optional Adobe Online subscription services directly from inside its interface. We looked at the latest version of Reader, Adobe Reader X. Despite competition from simpler tools, Reader remains the standard the others are judged against. To open, view, and edit PDFs, you need a PDF reader - for example, Adobe's free Reader. PDF, the file format that carries the business world on its back, is everywhere, from product manuals to legal documents. Adobe developed the Portable Document Format to standardize electronic document handling.

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