This article explains you about PDF files. Portable document format is the full form of PDF and this is the most popular software created by Adobe.Inc. These type of format files are created by the popular software Adobe acrobat and it allow users to read it using its other PDF format file reading software Adobe acrobat reader. You can download this software from here. This software was published by Adobe in the year 1991. Now a days this file format is more popular in internet and it is good for sending files together in mail or some other data transfer applications.
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