Library /sys$common/syshlp/mime$help.hlb SAVE  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Format: SAVE

    Saves the current message to a file in the default directory. An
    informational message indicates if the operation was successful.

    If the current message mode is read-only, the file is not saved and
    an error message is displayed.