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>> CKO file

CKO file format description

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

2 filename extension(s) found in our database.

.cko - Kokogut C Output File

CKO file is a Kokogut C Output File. Kokogut is an implementation of Kogut in Kogut itself. It translates Kogut source into C source, which is then compiled using a C compiler to produce an excecutable. Kogut is an experimental programming language which supports impurely functional programming and a non-traditional flavor of object-oriented programming.

.cko file format description:
CKO format description not yet available
Development files
- / -
Kokogut C Output File related links:
Kokogut C Output File related extensions:
Kokogut Module Interface File
Kokogut Compiler Options File

.cko - ChessBase Key Openings

CKO file is a ChessBase Key Openings. ChessBase is a personal, stand-alone chess database.

.cko file format description:
CKO format
Game Data files
- / -
ChessBase Key Openings related links:
ChessBase Key Openings related extensions:
ChessBase Annotations
ChessBase Search Booster
ChessBase Commentators Index
ChessBase Team Index
ChessBase Old Game Database
ChessBase Game Moves Data

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

Can't open a .cko 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 .cko file extension is often given incorrectly!

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

ck, sko, kco, coo, co, clo, ckl, ko, cuo, cok, cmo, ckp

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

ChucK Source Code
Tajima Embroidery Data File
DISA STIG Checklist
CUDA Object
Cloe Raytracer Image
Kwalitan Codes Data

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .cko file format, then write to us!