A daily updated filename extension database!

HNK file extension

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

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

✅ Internet Explorer HTML Help Index

HNK file is an Internet Explorer HTML Help Index. Microsoft Internet Explorer (MSIE) is a series of graphical web browsers developed by Microsoft and included in the Microsoft Windows operating systems.
HNK format description not yet available
Category: Data files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HNK aliases:
HNK related links:
HNK related extensions:

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

🚫 The .hnk file extension is often given incorrectly!

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

bnk, hbk, hhk, hk, hmk, hnm, jnk, mnk, nk, tnk, unk

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Hex Workshop Bookmark File
HandyCafe Data
ExamView Question Bank
Guitar Rig Preset Bank
Wwise Sound Bank Data
Need for Speed: Hot Pursuit Audio Bank Data
General Temporary File
My Notes Keeper Notebook
HTML Help Index
NUKE Script

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

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