>> CO file

CO file format description

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

1 filename extension(s) found in our database.

.co - Cult3D Object

The CO document files are related to Cult3D. CO file is a Cult3D Object. Cult3D is a three-dimensional streaming technology which is developed by a Swedish company called Cycore.

Document files
- / -
Cult3D Object related extensions:
Aldus Persuasion v2 Template
OpenSCAD Constructive Solid Geometry Model
Kidspiration Document
Cue Description Language Document
NVDL Script
Alphacam Lathe Drawing

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

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

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

oc, ci, so, fo, cp, ck, vo, do, cl

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Esterel Compiler Automaton Code
iBlaze Case Information File
Vivid 2.0 Object Definition
Adobe Captivate Project
CitectSCADA Data
Coq Compiled Object

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

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


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

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