FT3 Full Form. Full Meaning of FT3 Find long form and abbreviation, slang or definition of FT3. What does FT3 mean? What does FT3 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.