Home : File Types : HDX File

.HDX File Extension

File TypeDelphi MultiHelp Index File

DeveloperAutodesk
Popularity
3.0 (2 Votes)
CategoryMisc Files
FormatBinary

Binary

This file is saved in a binary format, which requires a specific program to read its contents.

What is an HDX file?

Help documentation file used by older versions of AutoCAD design software; uses the filename ACAD.HDX and supplies an index for an associated ACAD.HLP (.HLP) file; not used by recent versions of AutoCAD.

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Programs that open HDX files
Updated 10/10/2012

About HDX Files

Our goal is to help you understand what a file with a *.hdx suffix is and how to open it.

The Delphi MultiHelp Index file type, file format description, and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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