There is only one file type that uses the .VFZ extension:
Creative Webcam Video Effects File
File used by Live! Cam, a program that allows users to chat online using Creative webcams; contains effects that morph or overlay video feeds; used to enhance social online chatting with fun and creative effects.
To add an effect, use the Advanced Video FX program within the Live! Cam software.
Updated: November 6, 2009