The sh3 file extension is related to Harvard Graphics presentation software developed by Harvard Graphics company. The sh3 extension file is a presentation created and saved in version 3.0 of the program.
How to open:
Use Harvard Graphics or Corel Presentations to open files with sh3 extension.
How to convert:
As far as we know, this .sh3 file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.