HND File Type

- The quick facts

What are HND files and how to open them

Are you having problems opening a HND file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a HND file?

A .HND file is a HNSKY Deep Sky Database file.

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open HND files

Important: Different programs may use files with the HND file extension for different purposes, so unless you are sure which format your HND file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 3 different HND openers which you will find listed below.

Last updated: June 23, 2021

Various apps that use files with this extension

These apps are known to open certain types of HND files. Remember, different programs may use HND files for different purposes, so you may need to try out a few of them to be able to open your specific file.

HelpNDoc Personal EditionHelpNDoc Personal EditionUser submitted
HelpNDocHelpNDocUser submitted
HelpNDoc Standard EditionHelpNDoc Standard EditionUser submitted

Help us help others helps thousands of users every day, and we would love to hear from you if you have additional information about HND file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.