How to open .hdx file format?

The probably reason why you are at this website is a problem with opening .hdx file. The full name of the file is Delphi MultiHelp Index File. If the double-click on the file’s icon shows you a message that additional programs are needed to open the file, you’ll find the list of helpful programs in the bottom of the page.The developer of this format is Autodesk.

.hdx file extension (Delphi MultiHelp Index File)

Category Developer/Producer File description Popularity
Misc Files Autodesk Delphi MultiHelp Index File
Programs using this file extension: .hdx
ADS OS Software
  • Autodesk AutoCAD 2014

The file extension .hdx can be used by another programs. If you have some useful information about .hdx file type that may help other users, please send them to us and we’ll update our database.

Visiting our website you are probably asking yourself:
  • What application can open .hdx file?
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  • Where can I find informations about .hdx file extension?
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