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KKK file extension

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

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

✅ Filmetrics F20 Material Data

KKK file is a Filmetrics F20 Material Data. The Filmetrics F20 is used to measure the thickness and optical constants (n and k) of dielectric and semiconductor thin films.
KKK format description not yet available
Category: Data files
Application: Filmetrics F20
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
KKK aliases:
KKK related links:
KKK related extensions:

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

🚫 The .kkk file extension is often given incorrectly!

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

kk, kkm, klk, kmk, kok

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

SyncCrypt Ransomware Encrypted Data
Kkrunchy Map Data
Orgadata LogiKal Data
VirtualBox kBuild Makefile
KaraFun Karaoke Song Data

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

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