Is there a way to externally store a DVR recording?

HDMI prevents copying programs to unauthorized components, such as a media server.  Mouth is correct with the VCR.  A VCR uses component or composite cables instead of HDMI, so it can't enforce copyright protection.  However, you'd need a VCR and its older cables.

You could always write the production company for a copy.  Couldn't hurt.

Hi Lizard6010, Cox does not offer cloud-based capabilities at the moment, meaning, there is no way to store this recording externally. Congratulations on your daughter's television appearance, we're extremely happy for you. -Kevin M. Cox Support Forum Moderator