There are 12 other file types using
the CDF file extension!

empty icon.cdf - Comma Delimited Data Format

empty icon.cdf - Cyberspace Description Format

empty icon.cdf - InstallShield components definition

empty icon.cdf - Unidata Network Common Data form

cdf icon.cdf - Nominal Small Business Accounting Software company data

empty icon.cdf - MicroSim PCBoard component description

empty icon.cdf - Xilinx Integrated Software environment chain description file

empty icon.cdf - Computable Document Format

empty icon.cdf - Content definition data

empty icon.cdf - GSFC Common Data Format

empty icon.cdf - Affymetrix chip definition data

empty icon.cdf - CryENGINE character definition

CDF file extension - Microsoft Channel Definition Format

What is cdf file? How to open cdf files?

File type specification:

Internet related file type icon Internet related file type

The cdf file extension is also related to the Channel Definition Format, an open specification that permits a web publisher to offer frequently updated collections of information, or channels, from any web server for automatic delivery to compatible receiver programs on PCs or other information appliances.

The default software associated to open cdf file:

Microsoft Edge icon

Microsoft Corporation logoMicrosoft Edge  Microsoft Windows software

Company or developer:
Microsoft Corporation

Microsoft Edge is web browser introduced in Microsoft Windows 10 operating system. It's fast and built for modern web applications and presentations. It allows users to simple share, reading and discover the Internet.

Microsoft Internet Explorer icon

Microsoft Corporation logoMicrosoft Internet Explorer  Microsoft Windows software

Company or developer:
Microsoft Corporation

Microsoft Internet Explorer was traditionally used as a default web browser that comes as part of the Microsoft Windows operating system. The last version was Internet Explorer 11.

Internet Explorer was retired on June 15, 2022, and replaced by a new Microsoft Edge browser.

Microsoft Windows 10 also contains Internet Explorer, but as default browser is used Microsoft Edge. It was removed in newer Windows OS versions.

Help how to open:

Use compatible tools to work with *.cdf files.

How to convert:

Probably cannot be converted to anything else.

Related links:

Channel Definition Format at W3.org

List of recommended software applications associated to the .cdf file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open cdf file, edit cdf file, convert cdf file, view cdf file, play cdf file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with cdf file - Microsoft Channel Definition Format

Click on the software link for more information about Microsoft Edge. Microsoft Edge uses cdf file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

Main software associated with cdf file by default:
Microsoft Edge small icon Microsoft Edge
Microsoft Internet Explorer small icon Microsoft Internet Explorer
Other suggested software:
Microsoft Windows small icon Microsoft Windows

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