Adobe® Systems developed the PDF (Portable Document Format) as a file format which allows a document to be viewed on any computer, and it will look the same on all of them, regardless of how it was created or on which operating system it is viewed on. The PDF format stores all of the fonts, colors, and graphics in such a way that these components will look exactly as they were intended to look. Also, regardless of the printing device that is used, a PDF file will print correctly on all of them.

Converting files to PDF is one of the best options when transferring files via email or the Web. It ensures that the files will be readable on other computers. PDF removes the problems of files not opening properly on different computer systems or not opening at all.

PDF files are much smaller than the files they originate from and download faster for display on the Web. They can be attachments for e-mail and can be integrated with Web sites or CD-ROM applications. PDF files can be augmented with video, sound, Web links, and security alternatives for more enjoyable viewing.

Once a document has been saved as a PDF file, you are very limited with your ability to edit the document. Because of the editing limitations, the document should also be saved in its original format so that if it is necessary to make changes to the document, the editing can be accomplished easily using the original program in which it was designed. The edited document can then be resaved as a PDF file.

In order for a PDF file to be viewed on any computer, the computer must have Adobe Acrobat Reader® installed on it. The software is free and can be downloaded from the Internet from the Adobe® site at www.adobe.com.

The illustration below shows a PDF document displayed on Adobe Acrobat®.