A chu file extension is related to the Infinity Engine and used for its some kind of game files.
Software that open chu file
CHU file extension - Infinity Engine game data
What is chu file? How to open chu files?
File type specification:
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.
The default software associated to open chu file:
Company or developer:
BioWare
Baldur's Gate is a famous computer role-playing game created by BioWare and released in 1998.
List of recommended software applications associated to the .chu file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open chu file, edit chu file, convert chu file, view chu file, play chu file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with chu file - Infinity Engine game data
Click on the software link for more information about Baldur's Gate. Baldur's Gate uses chu file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).
Microsoft Windows:
Main software associated with chu file by default:
Baldur's Gate
Other suggested software:
Baldur's Gate II
Icewind Dale
Planescape: Torment