There is only one file type that uses the .HYPE extension:
A HYPE file is a project file created by Hype, a program used for creating interactive, animated website content with HTML5. It is the native save format used to store web content created with Hype that can be exported to Web files for publishing on a webpage. HYPE files typically contain graphics, text, animation timelines, scene information, and other elements that make up the content.
Updated: June 29, 2020