A daily updated filename extension database!

3KO file extension

The table below provides useful information about the .3ko file extension. It answers questions such as:

  • What is the .3ko file?
  • What program do I need to open a .3ko file?
  • How can the .3ko file be opened, edited or printed?
  • How can I convert .3ko 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


3KO file is an NGRAIN SDK 3D Data. NGRAIN is a developer of industrial Augmented Reality and Virtual Reality technology for manufacturers, maintainers, and operators of complex equipment.
3KO format description not yet available
Category: Document files
Application: NGRAIN SDK
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
3KO aliases:
3KO related links:
3KO related extensions:

Other types of files may also use the .3ko file extension.

🚫 The .3ko file extension is often given incorrectly!

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

3k, ko, wko

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

APP Keyboard Definition Data
Linux 2.6 Kernel Object
RippedPro Workout Data
TrainingPeaks WKO+ Data

🔴 Can't open a .3ko 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 .3ko 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 .3ko file extension, write to us!

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