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Mac OS X for Absolute Beginners by Wallace Wang

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© Wallace Wang 2016

Wallace Wang, Mac OS X for Absolute Beginners, 10.1007/978-1-4842-1913-3_23

23. Modifying PDF Files

Wallace Wang

(1)San Diego, California, USA

Many businesses and government agencies store crucial forms and documents as PDF (Portable Document Format) files because anyone can open and view a PDF file on nearly any type of computer. Best of all, PDF files retain all formatting, so you can print a form, fill it out by hand, and mail it.

Although printing a PDF form and filling it out by hand is one way to use a PDF file, another way is to modify it directly. By doing so, you can type or add comments into a PDF file. For example, let’s suppose that someone sent you a PDF file to review. You could type your comments directly in the ...

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