Thanks Mark, Thats what I guessed. I suppose these files make use of the .seen and .sub files under also, right ? Diego And thanks Dan for the link. > http://cyrusimap.web.cmu.edu/imapd/internal/mailbox-format.html > > -- > Dan White > ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html