From Adobe Systems:
Easily convert any document that prints to PDF to preserve formatting and ensure document integrity. Convert to PDF with one-button ease from Microsoft Word, Excel, PowerPoint, Outlook, Internet Explorer, Project, Visio, Access, and Publisher, as well as Autodesk, AutoCAD, and Lotus Notes. Scan paper documents to PDF and automatically recognize text with optical character recognition (OCR) technology to create compact, searchable PDF documents. Archive e-mail or e-mail folders from Microsoft Outlook or Lotus Notes in PDF to facilitate search and retrieval.
Convert complete web pages, or just the portions you want, including or excluding rich and interactive media. PDF versions of web pages are easy to print, archive, mark up, and share.Convert virtually any 2D and 3D designs including layers, dimensions, and metadata to a single PDF file to share product data more easily and securely.