private boolean isRichText(Column c) throws IOException {

        if (c == null) {
            return false;
        }

        PropertyMap m = c.getProperties();
        if (m == null) {
            return false;
        }
        if (c.getType() == null || !c.getType().equals(DataType.MEMO)) {
            return false;
        }
        Object b = m.getValue(TEXT_FORMAT_KEY);
        if (b instanceof Byte) {
            return (Byte) b == RICH_TEXT_FORMAT;
        }
        return false;
    }
Internal class.  Needs to be instantiated for each parse because of
the lack of thread safety with the dateTimeFormatter
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-microsoft-module/src/main/java/org/apache/tika/parser/microsoft/JackcessExtractor.java