>> CDK file

CDK file format description

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

1 filename extension(s) found in our database.

.cdk - CADKEY Document

The CDK document files are related to CADKEY. CDK file is a CADKEY Document. CADKEY is a 2D/3D Mechanical CAD software application released for various DOS, UNIX, and Microsoft Windows operating systems.

Document files
- / -
CADKEY Document related extensions:
CADKEY CAD Advanced Design Language File
CADKEY Dynamic Extension
CADKEY Part Document

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

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

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

cck, cd, cdj, cdl, cdm, cdo, cdu, cfk, ck, ckd, csk, cwk, cxk, dck, dk

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

NTI CD/DVD-Maker Image
Kubotek KeyCreator Design Container
Sybase PowerDesigner Conceptual Data Model
Common Data Form Language File
Maxon Cinema 4D Plugin
Advance Design Project Backup

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

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

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