Library /sys$common/syshlp/mailhelp.hlb COPY, Qualifiers, /ALL  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Indicates that all of the currently selected messages are to
    be copied to another folder, file, or both. Select a folder
    by entering the SELECT command followed by the name of the
    folder. See the SELECT command for more information. If the /ALL
    qualifier is omitted, only the current message is copied.