iostore

UE5 IoStore .utoc and .ucas containers

Gaming Extract .utoc to .uasset in UE5: FModel & UnrealPak Fix

Fix UnrealPak extracting only .uexp/.uheader from UE5 IoStore .utoc containers. Use FModel to reconstruct .uasset files for Until Dawn mods, handle ucas pairs, WwiseAudio, and iostore signature errors.

#unreal-engine
#ue5
#modding
#iostore
#fmodel
#unrealpak

1 answer• 1 view

12/31/2025, 11:30 AM