With Filestar you get 18 different skills for working productively with Andrew Toolkit Raster Object (.atk) files.
About .Atk
Name
Andrew Toolkit Raster Object
Extension
.atk
Format
Binary
Category
Raster Image
Developer
Andrew Toolkit
Description
The ATK (Andrew Toolkit raster object) file type is a raster image format used by the Andrew Toolkit, a graphical user interface development system developed by Carnegie Mellon University. ATK files store both vector and bitmap graphics and are used to create graphical user interfaces for applications.