Notes about the LUN 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 LUN file type is primarily associated with 'DB-MAIN' by REVER S.A.. DB-MAIN is a CASE tool dedicated to Database Application Engineering. It is designed to help developers and analysts in the development, reverse-engineering, reengineering, migration, integration, maintenance and evolution of data-centred applications.