A computer file format for publishing and distributing electronic documents (text, image, or multimedia) with the same layout, formatting, and font attributes as in the original. The files can be opened and viewed on any computer or operating system; however, special software is required. Abbreviated PDF.
Its the most popular document format that is mainly used because it offers a high amount of security. The other promising feature of this file format is that it preserves the originality of the document.
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