HHD file format description
Many people share .hhd files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .hhd file can be edited, converted or printed with. On this page, we try to provide assistance for handling .hhd files.
1 filename extension(s) found in our database.
.hhd - STSDAS GEIS Data
HHD file is a STSDAS GEIS Data. The Space Telescope Science Data Analysis System (STSDAS) is a software package for reducing and analyzing astronomical data.
Naturally, other applications may also use the .hhd file extension. Even harmful programs can create .hhd files. Be especially cautious with .hhd files coming from an unknown source!
Can't open a .hhd 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:
Windows can't open this file:
To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.
To avoid this error, you need to set the file association correctly.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
The .hhd file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
bhd, nhd, jhd, hud, hnd, hhs, hhc, ghd, thd, mhd, hyd, htd, hmd, hhr, hh
Is it possible that the filename extension is misspelled?
Similar file extensions in our database:
- C++ Header File
- Backup Exec Deduplication Storage
- Jagannatha Hora Document
- Highway Pursuit Game Data
- Geonaute Keymaze Tracklog
- WCAD01 Job Information Data
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