Notes about the DP4 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 DP4 file type is primarily associated with 'Analytics' by Actuate Corporation. An application used to build a cube profile. Running a cube profile generates a cube. This tool is one of several design tools.