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HXK file extension

The table below provides useful information about the .hxk file extension. It answers questions such as:

  • What is the .hxk file?
  • What program do I need to open a .hxk file?
  • How can the .hxk file be opened, edited or printed?
  • How can I convert .hxk files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ MS Help 2 Project Index

HXK file is a MS Help 2 Project Index file. Defines the content and organization of an index in a compiled Help (.HxS) file. The markup in the XML-based index (.HxK) file defines the overall properties of the index for the collection, as well as the properties for each individual entry.
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HXK aliases:
HXK related links:
HXK related extensions:
Windows Help File

Compiled HTML Help

MS Help 2 Project Attribute Definition

MS Help 2 Project Collection Definition

MS Help 2 Project Include File

MS Help 2 Project Sample Definition

MS Help 2 Project Virtual Topic Definition

MS Help 2 Compiled Help

HTML Help Collection

Windows Help Project

Other types of files may also use the .hxk file extension.

🚫 The .hxk file extension is often given incorrectly!

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

gxk, hak, hck, hdk, hk, hkx, hsk, hx, hxl, hxm, txk

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Galaxkey Secured File
Descent 2 Resource Modification
Havok XML Model File
Bioware Aurora HAK Data
KaraDOS Karaoke Song Lyrics Data
Nimbus 7 SAMS HSK Data
MGS Hinge CK File
Haxe Source Code
HotDocs Registration File
Microsoft Help 2 Registered Namespace List

🔴 Can't open a .hxk 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .hxk file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .hxk file extension, write to us!

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