EXC3IT Full Form. Full Meaning of EXC3IT Find long form and abbreviation, slang or definition of EXC3IT. What does EXC3IT mean? What does EXC3IT stand for? We are providing world largest and most comprehensive acronyms, names, abbreviations database directory on the Internet. Our data base contains more than 8,00,000 terms abbreviations and acronyms. You can also search unique terms more than 4,00,000 general Comprehensive words.