PDF File Extension - Open .PDF files

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Common File Extensions

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.PDF File Extension

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File Type

Portable Document Format File

Category

Page Layout Files

Common?

Yes

File Description

Cross-platform document created by Adobe Acrobat or a program with the Acrobat plug-in; commonly used for e-mail attachments or for saving publications in a standard format for viewing on mulitple computers; usually created from another document instead of from scratch.

May contain text, images, forms, annotations, outlines, and other data; preserves fonts and formatting electronically across multiple platforms; appears on the screen as it will when printed on paper. Google and other search engines now index PDF documents, which can be viewed in a Web browser using the free Adobe Reader plug-in.

Can also be created in Mac OS X by selecting "Print..." and choosing "Save as PDF" from the PDF drop-down menu instead of clicking "Print."

View the PDF definition for more information.

Program(s) that open pdf files