Extensions Count: list (4-byte one-based item count)
  Extension: pstring (2-byte length)
  MIME Type: pstring (2-byte length)
Helper Count: list (4-byte one-based item count)
  MIME Type: pstring (2-byte length)
  Application Name: pstring (2-byte length)
  Creator: 4-byte integer (char)
  File Type: 4-byte integer (char)
  Flags: 5 data bytes