>> CCO file

CCO file format description

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

2 filename extension(s) found in our database.

.cco - CodeCheck Object File

The CCO development files are related to CodeCheck. The CCO file is a CodeCheck Object File. CodeCheck is a tool for programmers which detects violations of standards for C++ source code.

Development files
- / -
CodeCheck Object File related extensions:
xEdit TES5Edit Script
TensorFlow Lite Model
Dialect Compiled Code
Scilab Binary Diagram
Exient XGS Model Data
Turbo STK Application

.cco - Apple Cocoa Data

The CCO development files are related to Apple Cocoa. The CCO file is a Apple Cocoa Data. Cocoa is Apple's native object-oriented application programming interface (API) for its desktop operating system macOS.

Apple Cocoa
Development files
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Apple Cocoa Data related extensions:
Ovation Pro for RISC OS Document
TCSH Shell Script
APLAC Source Code
Jeroo Source Code
Xcode DVT Plug-in

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

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

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

cc, cci, cck, ccl, ccp, cdo, cfo, co, coc, cso, cxo, dco, fco, sco, vco

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

BibExcel Co-occurrence Document
Champions Interlace Compressed Image
Crescendo Music Notation
Sibelius Scorch Data
CCTools Levelset Data

Operating systems 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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