How to open a file with .HXK extension?

File Type : Help 2 Keyword Index (Microsoft Corporation)
Compatible with (Win10, Win8, Win7, Vista and WinXP)

You'll need a new app to open this .HXK file

Searching for the right program to open .HXK files?

"You'll need a new app to open this file" is probably the most common error faced by millions of Windows users every day. This is either because the program required to open a file is not available on your system or there may be other issues.

We recommend that you run a free scan to check for missing drivers.


What is .HXK file extension?

File used by Microsoft Help 2.x projects; specifies information about how a help index is organized; often used for keyword, context-sensitive, and other help indexes defined in the .HXS help documentation bundle. NOTE: Older versions of Visual Studio, including 2005 and 2008, used Microsoft Help 2.x as the standard help format. However, Visual Studio 2010 and later no longer support Microsoft Help 2.x.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.

Software that can be used to open HXKfiles:

  • Innovasys HelpStudio