Data Access Worldwide of Miami, USA, isdeveloped the company behind the studio and language and built its business up around the console mode [[DataFlex]] language which was released prior to [[MS-DOS|DOS]] and competed with [[dBase|dBase II]] in early microcomputer technology. The first attempt at a windows product was ''DataFlex for Windows'' which failed as it was a sort of windows bolted on top of DOS product. Then they released Visual DataFlex 4.0 in 1997 which allowed users to write native 32 bits Windows applications. Every 6 months a new revision level is released. Visual DataFlex is now in revision 17.0, named VDF 2012,<ref>{{cite web|url=http://www.visualdataflex.com/features.asp?pageid=1073|title=Visual DataFlex Features-Visual DataFlex 2012/17.0 |publisher=Visualdataflex.com |date= |accessdate=2012-07-05}}</ref> and features a datadictionary layer of business rules which is of dual use with the windows product and the webapp extension.
