@Test
    public void testProtectedExcelSheets() throws Exception {

        Metadata metadata = getXML("protectedSheets.xlsx").metadata;

        assertEquals("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
                metadata.get(Metadata.CONTENT_TYPE));

        assertEquals("true", metadata.get(Office.PROTECTED_WORKSHEET));

    }
Documents with some sheets are protected, but not all.
See TIKA-364.
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-microsoft-module/src/test/java/org/apache/tika/parser/microsoft/ooxml/OOXMLParserTest.java