Dead Rising 2 [PC Version]

I need help with this i was able to unpack 

the npc .big file with the Dead Rising 2 Gibbed Tool 


which has 1024 files with more .big files and .Tex files which are the textures, i want to know how to open both of these 

since i want to submit Dead Rising 2 Models to TMR

thanks hope to here from somebody soon.

Cheers and merry Christmas and a Happy New Year