Opening a CK2 File

The CK2 file type is primarily associated with Crusader Kings II.

CK2	File extension: CK2
	File type:	save game file

What is a CK2 file?

CK2 files mostly belong to Crusader Kings II. Crusader Kings II (CK2) Save Files: This file holds your saved game data for Crusader Kings II. It is created when you save your game and stored using a ZIP format.

The file contains game state data like player choices and settings.

It is managed by the game engine to load your progress.

You can use a ZIP extraction tool to view its contents if needed.

FilExt.com note: For more details on the game, visit Paradox Interactive.

How to open a CK2 file

You need a suitable software like Crusader Kings II to open a CK2 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 CK2 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a CK2 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online CK2 Text Viewer

Choose your .ck2 file to analyze

or drag and drop it here

Online File Viewer

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Programs that open and convert CK2 files:

Crusader Kings II
See the previous paragraphs to learn more about the main application. CK2 files are often referred to as Crusader Kings II games because this type of file is primarily created or used by this software.
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ViewChoice by Payroll Associates, LLC
ViewChoice is a payroll document viewer. Get to the program using the Download link on the website.

Technical Data for CK2 File Extension

File classification:

Game

Related files:

ck3, ck, zip, qhd, qt1, kk1, sav, xml, bak

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: CB_CK2Format (ck2)
EXEFile: %ProgramFiles%\ChessBase\CBReader\CBReader.exe

a ck2 save game file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with CK2 files

Associate the CK2 file extension with the correct application.
Update your software that should actually open save game files. Because only the current version supports the latest CK2 file format. Search, therefore, e.g. on the manufacturer website after an available Crusader Kings II update.
To make sure that your CK2 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .CK2 file online - secure, fast, and no downloads needed.