.QDA File Extension
File TypeQuadruple D Archive
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
What is a QDA file?
Compressed archive created with Quadruple D (Do the DirectDraw with Delphi); part of a DirectX graphics library that is commonly used Japanese PC games written in Delphi; includes the Quadruple D Archiver for creating and opening QDA archives.