>> CK2 file

CK2 file format description

Many people share .ck2 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .ck2 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .ck2 files.

1 filename extension(s) found in our database.

.ck1 - Commander Keen Data File

The CK1 game data files are related to Commander Keen. CK1 file is a Commander Keen Data File. Commander Keen is a series of video games developed by id Software in the early 1990s.

Commander Keen
Game Data files
- / -
ck2, ck3, ck4, ck5, ck6
Commander Keen Data File related extensions:
YS Flight Dynamic 3D Model
Worms 3D Map
Worms 3D Object
Lost Saga Game Data
Tropico 3 Game Data
The Dark Mod eXternal Data

Naturally, other applications may also use the .ck2 file extension. Even harmful programs can create .ck2 files. Be especially cautious with .ck2 files coming from an unknown source!

Can't open a .ck2 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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .ck2 file extension is often given incorrectly!

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

c2k, sk2, cm2, ckz, ck, kc2, cl2, ckw

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

DataFlex Index
ChucK Source Code
Unknown CKW File
QuickSFV Checksum Database
Poser Camera Data
ACD/ChemSketch Drawing Document

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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