An hdx file extension is related to the AutoCAD, a CAD/CAM tool for Microsoft Windows and Apple Mac OS X systems. An hdx file stores help index.

There is one other file type using
the HDX file extension!

hdx file icon.hdx - Harvest database file

Detailed description

Software that works with hdx file extension

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HDX file extension - AutoCAD Delphi help index

What is hdx file? How to open hdx files?

File type specification:

Various data file type icon Various data file type

The hdx file extension is associated with the AutoCAD, a 2D/3D CAD modeling software for Microsoft Windows and macOS (Mac OS X) operating systems.

The hdx file stores index related to help documentation.

The hdx help index format is not used by current version of AutoCAD.

The default software associated to hdx file type:

AutoCAD icon

Autodesk, Inc. logo AutoCAD  Microsoft Windows software

Company or developer:
  Autodesk, Inc.

Autodesk AutoCAD is a CAD development platform that provides tools to build custom AutoCAD-based software products for specific markets and extend design information to users outside the traditional CAD community. You can easily create industry-specific products that offer only the features, commands, menus, and design data that your customers require.

AutoCAD for Mac icon

Autodesk, Inc. logo AutoCAD for Mac  Apple macOS / Mac OS X software

Company or developer:
  Autodesk, Inc.

AutoCAD® for Mac® software—it’s AutoCAD, for the Mac, bringing robust 3D free-form design tools and powerful drafting capabilities to your platform of choice. It takes full advantage of the Mac OS® X platform, with an intuitive, graphical user interface that makes it easy to bring your ideas to life.

Help how to open HDX 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 HDX:

As far as we know, this .hdx 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 software applications associated to the .hdx 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 hdx file, edit hdx file, convert hdx file, view hdx file, play hdx file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting of the hdx files.

  • Create hdx file
  • Others hdx file

Programs that can create hdx file - AutoCAD Delphi help index

Click on the link to get more information about listed programs for create hdx file action.

Microsoft Windows:

Apple macOS / Mac OS X:

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