Notes about the 3DJ file extension:
Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.
The 3DJ file type is primarily associated with 'Pyware 3D' by Pygraphics, Inc.. Pygraphics is a software provider for the music educator. Pygraphics provides a drill design choreography tool: 3D Interactive with the newest version 4 update and iPAS, Interactive Pyware Assessment Software.