@Test
    public void testDigiliteFDF() throws Exception {
        //not to be confused with Adobe's .fdf!
        assertTypeByData("application/vnd.digilite.prolights", "testDigilite.fdf");
        assertTypeByNameAndData("application/vnd.digilite.prolights", "testDigilite.fdf");
    }
Files generated by Works 7.0 Spreadsheet application use the OLE2
structure and resemble Excel files (they contain a "Workbook"). They are
not Excel though. They are distinguished from Excel files with an
additional top-level entry in below the root of the POI filesystem.

@throws Exception
tika-parsers/tika-parsers-standard/tika-parsers-standard-package/src/test/java/org/apache/tika/mime/TestMimeTypes.java