DUP means Dial Up Networking

        What does DUP stand for? Abbreviation of DUP, definition of DUP, Explanation of DUP, Full forms of short form DUP.

         We are providing world largest and most comprehensive acronyms, abbreviations directory and search engine for acronyms on the Internet. Abbreviations Finder contains more than 7 million abbreviations and acronyms. You can also search for more than 740,000 general Comprehensive words.