Notes about the EIN 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 EIN file type is primarily associated with 'Skyplot' by Frank P. Thielen Software Design. Settings file for the German astronomy program Skyplot. EIN comes from the German word Einstellungen for which means: settings.