Wolfram Computation Meets Knowledge

Why can’t I open my .cdf file in Wolfram Player?

Wolfram Player only supports Wolfram CDF (.cdf) files. A few other file formats also use the .cdf extension. Those cannot be opened using Wolfram Player.

Attempting to open a non-Wolfram .cdf file will trigger the general warning message “You are running in a mode which does not allow this kind of file to be opened.” In the instance of a non-Wolfram CDF file, it is not actually possible to enable additional capabilities.

You are running in a mode which does not allow this kind of file to be opened. Contact Wolfram Research about enabling additional capabilities.

To verify your .cdf file is of the Wolfram CDF format, open the file in a text editor and verify that it has the following Content-type line at the top of the file:

(* Content-type: application/vnd.wolfram.cdf.text *)

(*** Wolfram CDF File ***)
(* http://www.wolfram.com/cdf *)

(* CreatedBy='Mathematica 12.0' *)

(***************************************************************************)
(*                                                                         *)
(*                                                                         *)
(*  Under the Wolfram FreeCDF terms of use, this file and its content are  *)
(*  bound by the Creative Commons BY-SA Attribution-ShareAlike license.    *)
(*                                                                         *)
(*        For additional information concerning CDF licensing, see:        *)
(*                                                                         *)
(*         www.wolfram.com/cdf/adopting-cdf/licensing-options.html         *)
(*                                                                         *)
(*                                                                         *)
(***************************************************************************)

If your .cdf file contains this Content-type line but still does not open in Wolfram Player, please contact Technical Support.


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