Files with hsh file extension can be found as hash files from Microsoft IIS NNTP service. The hsh file stores encrypted data.
Software that open hsh file
HSH file extension - Microsoft IIS NNTP hash data
What is hsh file? How to open hsh files?
The hsh file extension is mainly related to hash files from Microsoft IIS NNTP.
A hash function is any well-defined procedure or mathematical function which converts a large, possibly variable-sized amount of data into a small datum, usually a single integer that may serve as an index into an array. The values returned by a hash function are called hash values, hash codes, hash sums, or simply hashes.
Internet Information Services ISS in Windows Server provides a secure, easy-to-manage Web platform for reliably hosting rich Web applications and Web services.
The default software associated to open hsh file:
Microsoft Internet Information Services 
Company or developer:
Microsoft Corporation
Microsoft Internet Information Services (IIS) is web server application distributed with Microsoft Windows Server as well as some editions of Microsoft Windows. IIS supports HTTP, HTTPS, FTP, FTPS, SMTP and NNTP protocols.
Company or developer:
Microsoft Corporation
Microsoft Windows Server is server operating system based on Windows NT core. It is based on the same code as Windows Vista. However it contains many improved features as well as other server and network features.
List of recommended software applications associated to the .hsh file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open hsh file, edit hsh file, convert hsh file, view hsh file, play hsh file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with hsh file - Microsoft IIS NNTP hash data
Click on the software link for more information about Microsoft Internet Information Services. Microsoft Internet Information Services uses hsh file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).
Microsoft Windows:
Main software associated with hsh file by default:
Microsoft Internet Information Services
Microsoft Windows Server
