>> H4 file

H4 file format description

Many people share .h4 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .h4 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .h4 files.

1 filename extension(s) found in our database.

.hdf - Hierarchical Data Format File

The HDF data files are related to HDF Tools. HDF file is a Hierarchical Data Format File. Hierarchical Data Format (HDF) is a data file format designed by the National Center for Supercomputing Applications (NCSA) to assist users in the storage and manipulation of scientific data across diverse operating systems and machines.

HDF Tools
Data files
- / -
h4, hdf4, he2, ncsa
Hierarchical Data Format File related extensions:
3164 Emulator Quick Command
FreeGantt Skeleton Data
PDXpert PLM XML Data
ExtractNow PPMD Data
Stardock MyColors Theme
JSON Web Token

Naturally, other applications may also use the .h4 file extension. Even harmful programs can create .h4 files. Be especially cautious with .h4 files coming from an unknown source!

Can't open a .h4 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.

The .h4 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

b4, g4, he, hr, ht, j4, m4, t4

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Humminbird Track Data
Gerber Inner Routing Layer 1 Data
HyperTerminal Settings
VTrain Box Data
GTXRaster CAD Data
VTrain Vocabulary Trainer Data

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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