// append export timestamp to avoid overwriting previous export 
    java.text.SimpleDateFormat formatter = new java.text.SimpleDateFormat("yyyy-MM-dd'T'HH_mm_ss_SSS");
    String exportDirName = getShortTitle()+"_"+element.getForumKey()+"_"+formatter.format(new Date(System.currentTimeMillis()));
    VFSContainer diaNodeElemExportContainer = exportContainer.createChildContainer(exportDirName);
    // don't check quota
    diaNodeElemExportContainer.setLocalSecurityCallback(new FullAccessCallback());
    diaNodeElemExportContainer.copyFrom(dialogFile);
    ForumArchiveManager fam = ForumArchiveManager.getInstance();
    ForumFormatter ff = new ForumRTFFormatter(diaNodeElemExportContainer, false);
    fam.applyFormatter(ff, element.getForumKey().longValue(), null);