HSH file: How can I open a .HSH file?
The table below provides useful information about the .hsh file extension. It answers questions such as:
- What is the .hsh file?
- What program do I need to open a .hsh file?
- How can the .hsh file be opened, edited or printed?
- How can I convert .hsh files to another format?
We hope you find this page helpful and a valuable resource.
✅ Microsoft Windows Catalog Search Index Hash

The HSH file is a Microsoft Windows Catalog Search Index Hash.
✅ Microsoft Surface Calibration Hash

The HSH file is a Microsoft Surface Calibration Hash. Surface is a series of tablets created by Microsoft.
✅ Microsoft IIS Metabase Hash File

The HSH file is a Microsoft IIS Metabase Hash File. Internet Information Services (IIS) is an extensible web server created by Microsoft for use with Windows family. IIS supports HTTP, HTTPS, FTP, FTPS, SMTP and NNTP protocols. IIS is a component of the Microsoft Windows operating system.
✅ Visual Studio HShader Data

The HSHADER file is a Visual Studio HShader Data. Visual Studio is a software development environment built on the .NET Framework that is designed for managing projects and development work in a variety of languages.
⚠ Be careful with .hsh files.
It's important to know that the .hsh file extension can be used by various programs, not just the ones you expect. This includes potentially harmful software or malware that might create .hsh files. Be cautious when dealing with .hsh files from unknown sources.
🚫 The .hsh file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .hsh file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Select an app to open this .hsh file
It means that the operating system does not have a default app associated with the .hsh file type. To resolve this issue and open the file, you can take the following steps:
- Right-click on the .hsh file. A context menu will appear.
- From the context menu, select Open with. Windows will display a list of recommended apps.
- If the desired app is listed, select it from the provided options.
- If you cannot find the appropriate app, you may need to install software that supports the specific file type.
If you don't know how to change the default app for the .hsh file, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. The extension of a file serves as a hint to the operating system and various software programs about the type of data contained within the file. When you alter a file's extension, you essentially modify how software applications interpret and handle that file. Every file has a specific format, also known as its file type or file format. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .hsh file extension, write to us.