A daily updated filename extension database!

HXI file extension

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

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

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

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

✅ Microsoft Help 2 Compiled Help Index

HXI file is a Microsoft Help 2 Compiled Help Index. Microsoft Help 2.x is a proprietary format for online help files, developed by Microsoft and first released in 2001 as a help system for Visual Studio .NET (2002) and MSDN Library.
Category: Data files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HXI aliases:
HXI related links:
HXI related extensions:
Windows Help Content

Windows Help File

Compiled HTML Help

MS Help 2 Compiled Help

Windows Help Full-Text Search Index

Windows Help Full Text Group File

HTML Help Collection

Help and Manual eBook Template

Help and Manual Print Manual Template

Help and Manual Viewer Template

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

🚫 The .hxi file extension is often given incorrectly!

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

bxi, hai, hci, hdi, hi, hix, hx, hxk, hxl, mxi, nxi, txi, xi, yxi

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Autodesk AutoCAD Heidi Device Interface
HotDocs Auto-Install File
Blaise Datamodel Properties
Alteryx Designer Packaged Tool Data
Macromedia Extension Information
Haskell Interface
NTgraph Nt09b-2b EMX Library
Maxwell Render Image
PageTech PCLTool Low Level Index File
HydroCAD IDF Curve

🔴 Can't open a .hxi 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 .hxi 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 .hxi file extension, write to us!

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