.IBT File Extension
File TypeTexture and Model File
What is an IBT file?
Contains textures and models used by the "Thief: Deadly Shadows" video game, also known as "Thief 3;" installed along with other Thief 3 game files and required for the game to run.
Thief: Deadly Shadows was developed by Ion Storm using the Unreal Engine. It was published by Eidos.