The HDF file extension is related to the Help Development Kit.

There are 2 other file types using
the HDF file extension!

hdf file icon.hdf - Hierarchical Data Format file

hdf file icon.hdf - Amiga hard disk image

Detailed description

Software that works with hdf file extension

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HDF file extension - Help file

What is hdf file? How to open hdf files?

File type specification:

Database file type icon Database file type

The HDF file extension is associated with the Help Development Kit an app used to create DOS help databases, Windows help (WinHelp), OS/2 (IPF) and DESQview/X help source files. The .hdf file stores various data used for internal purposes of the Help Development Kit.

Mime: application/x-hdf

The default software associated to hdf file type:

Help Development Kit  Microsoft Windows software

Help Development Kit is hypertext help database development kit that includes 2 help engines, a help compliler with built-in cross reference tool, and supports creation of DOS help databases, Windows help (WinHelp), OS/2 (IPF) and DESQview/X help source files.

Help how to open HDF files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert file with extension HDF:

As far as we know, this .hdf file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .hdf file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open hdf file, edit hdf file, convert hdf file, view hdf file, play hdf file etc. (if exist software for corresponding action in File-Extensions.org's database).

  • Others hdf file

Unspecified and all other actions for computer programs working with hdf file - Help file

Click on the software link for more information about Help Development Kit. Help Development Kit uses hdf 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:

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GPK file extension

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