ftPictFmla.setUnknownFormulaData(new byte[]{2, 0, 0, 0, 0});
ftPictFmla.setOleClassname("Paket");
ftPictFmla.setStorageId(storageId);
obj.addSubRecord(ftPictFmla);
obj.addSubRecord(new EndSubRecord());
String entryName = "MBD"+HexDump.toHex(storageId);
DirectoryEntry oleRoot;
try {
DirectoryNode dn = _sheet.getWorkbook().getRootDirectory();