Notes about the HCSP 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 HCSP file type is primarily associated with 'Content Server' by Stellent, Inc.. These are pages served by the Stellent Content Server. To a user accessing a site the pages appear as HTML.