@Test
    public void testEmbeddedOutlook() throws Exception {
        TrackingHandler handler = process("EmbeddedOutlook.docx", extractor, false);

        assertEquals(2, handler.filenames.size());
        assertEquals(2, handler.mediaTypes.size());

        assertEquals("image1.emf", handler.filenames.get(0));
        assertEquals(TYPE_EMF, handler.mediaTypes.get(0));

        assertEquals("licensedTestMsgwAtt.msg", handler.filenames.get(1));
        assertEquals(TYPE_MSG, handler.mediaTypes.get(1));
    }
Office files which have other office files
embedded into them. The embedded office files
will sometimes have images in them.
<p/>
eg xls
-> word
-> image
-> image
-> powerpoint
-> excel
-> image
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-microsoft-module/src/test/java/org/apache/tika/parser/microsoft/ooxml/OOXMLContainerExtractionTest.java