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Details of the .cco file extension

The table below provides useful information about the .cco file extension. It answers questions such as:

  • What is the .cco file?
  • What program do I need to open a .cco file?
  • How can the .cco file be opened, edited or printed?
  • Where can I find the specifications for .cco?
  • Which MIME-type is associated with the .cco extension?
  • How can I convert .cco files to another format?
  • What are other, similar filename extensions to .cco?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

.cco file extension details

CodeCheck Object File

CodeCheck Object File .cco file icon
CCO file is a CodeCheck Object File. CodeCheck is a tool for programmers which detects violations of standards for C++ source code.
Category: Development files
Application: CodeCheck
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
CCO aliases:
CCO related links:
CCO related extensions:
Assembly Source Code

C Source Code

C++ Source Code

Visual C++ Dialog

Fortran Source Code

C Header File

Microsoft Visual Studio Workspace Options

Pascal/Delphi Source Code

Visual C# .NET Class

Visual Studio Resource Script

Other types of files may also use the .cco file extension.

.cco file extension error

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, co, cso, cci, cfo, ccp, sco, cdo, coc, cck, ccl, vco, xco, dco

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

STK City Database Counties
Cult3D Object
Borland Turbo C Form Object
Champions Interlace Compressed Image
CSO Compressed PSP ISO Image
CodeCharge Studio Page
Microsoft IIS Schema Backup
OMSI Scenery Object File
BibExcel Co-occurrence Document
C++ Source Code
open .cco file

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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .cco file association, check the FAQ.

.cco file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .cco file extension, write to us!

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