JMXVOBJI

This files are not binary

All *.ifo files have a header and entryCount line.

object.ifo

00001 0x00000000 "res\bldg\china\cj_ferry\cj_ferry_warehou.bsr"

Index	Flag	Path
00001	0x00000000	res\bldg\china\cj_ferry\cj_ferry_warehou.bsr

Flag is related to collision (might be an indicator only)

objectstring.ifo

0x7de41001 0x00000000 228 125 0x44c4f380 0x44452cb2 0x4282d487 0x3fcad559 "POS_STRUCTURE_GOD_BIG_GATE_TOGUI_1"

MapUniqueID	Flag	XSec	YSec	XOffsset	YOffset	ZOffset	Yaw	String
0x7de41001	0	228	125	1575,609	788,6984	65,41509	1,584636	POS_STRUCTURE_GOD_BIG_GATE_TOGUI_1

MapUniqueID contains RegionID and entry.UniqueID (which is only unique within same region)

objext.ifo

0x19500009 "" "passent01"