How are you trying to move them? How are you accessing your email? Using only the webmail interface and your browser? Or in a mail client/app of some kind? Exactly what happens when you try to move the messages?
I am not a Comcast Employee. I am a Customer Expert volunteering my time to help other customers here in the Forums. We ask that you post publicly so people with similar questions may benefit from the conversation. Was your question answered? Mark the post as Best Answer!