Looking at an even more basic level, a 2DA is nothing more than a way to format data in the game. In fact 2DA stands for “2 dimensional array”. What are they? How do you change them? How do you compile them? In this tutorial we’ll take a look at how to work with 2DA files, and how to override them in a proper manner to introduce custom items and behavior to Dragon Age.Īt its core, a 2da file is nothing more than a spreadhseet. The subject of 2DA files has come up a lot recently.