.CHU File

The chu file extension is associated with the Infinity Engine, a video gaming engine for RPG games, like Baldur's Gate, Planescape Torment, Icewind Dale developed by BioWare.

The chu file stores layout of the GUI screens.

How to open:

You cannot open this file type manually, it is accessed by the game automatically.

How to convert:

These games files cannot be converted to anything else. However, sometimes modding.