Opening CCK Files

The CCK file type is primarily associated with ComCheck.

CCK	File extension: CCK
	File type:	data file

What is a CCK file?

CCK files mostly belong to ComCheck. CCK files can refer to two different file types, each with a specific purpose:

ComCheck Data File: These files are used for energy code compliance. They store data for programs like the ComCheck tool available at EnergyCodes.gov. This type is the most common among CCK files and is used to check building energy efficiency parameters.

Circuit Construction Kit File: These files use XML as their internal format. They are created with PhET's Circuit Construction Kit, which is used to simulate electrical circuits. You can view such files by launching the simulation software or opening them in a text editor. More details are available at PhET Circuit Construction Kit. This type helps in constructing and testing circuit design ideas.

How to Open and View Them:

If you have a ComCheck data file, use the online or desktop energy compliance tool designated for building code review.

If your CCK file is from the Circuit Construction Kit, open it with the PhET simulation software or inspect its XML code with a plain text editor.

How can I open a CCK file?

You need a suitable software like ComCheck to open a CCK file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your CCK file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a CCK file directly in the browser:. Just drag the file onto this browser window and drop it.

Online CCK Text Viewer

Choose your .cck file to view

or drag and drop it here

Online File Viewer

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How to extract texts from CCK files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

If you want to extract texts from CCK file or capture a screenshot, you can use our free Online CCK File Viewer:

To do so, click the "Choose your .cck file to view" button above.
Your CCK file will then be displayed in the browser.
Now click on "Save as..." at the top of the page.
Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
Your file will be converted and downloaded.

Programs that open and convert CCK files:

ComCheck
See the previous paragraphs to learn more about the main application. CCK files are often referred to as ComCheck data files because this type of file is primarily created or used by this software.
Corel (Clipart Format) by Corel
This file can be opened in Corel Draw and possibly other Corel products. This file format is classified as Graphic.

Technical Data for CCK File Extension

File classification:

Data

Related files:

ckk, zip, csc, pqf, snapfireproject, xml, txt, dat, csv, json

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: CommunityConstructionDocument
EXEFile: D:\CCK.exe %1

a cck data file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with CCK files

Associate the CCK file extension with the correct application.
Update your software that should actually open data files. Because only the current version supports the latest CCK file format. Search, therefore, e.g. on the manufacturer website after an available ComCheck update.
To make sure that your CCK file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .CCK file online - secure, fast, and no downloads needed.