If you go to a News Item > Click Edit or Add > + Add From Computer and select a WMV or MP4 video, It then gives you the Error "The file is not a supported type and was not uploaded."

+Add file from Computer is only for Images, not Videos presently.

If you upload the Video to the Video Category via onMessage > Content > Video

  1. Upload the video
  2. Go to the News Item you want to add the Video to
  3. Click + Add from Existing > select the video you wish to use