TMPL_21105_HLPT.txt
list (2-byte one-based item count)
  pstring (1-byte length; 51 bytes reserved)

TMPL_21101_FTYP.txt
Type: 4-byte integer (char)
Creator: 4-byte integer (char)
Creation Date: 4-byte integer (hex)
Modification Date: 4-byte integer (hex)