Crestron 2-Series control systems update data
File type: Settings, options, themes or skins file
A csu file extension is associated with Crestron 2-Series control systems and Crestron Studio.
A csu file contains control systems update data used with compatible Crestron devices.
File type category:
Settings, options, themes or skins file
Date updated: October 9, 2026
The csu file extension is associated with Crestron Studio, a Windows tool for creating automation projects with graphical user interfaces for Crestron 2-Series devices.
The csu file stores data used to update or manage compatible control systems. It is an operational data file for the Crestron software and devices, rather than a general-purpose document.
Open a csu file with Crestron Studio on Microsoft Windows. The file is intended to be handled by the Crestron software when working with compatible 2-Series control systems.
A csu file is update data for Crestron 2-Series control systems and is not normally converted to another file format. Use Crestron Studio to apply or manage the data instead of exporting it as a document.
Software apps that manage or store settings in csu files:
Microsoft Windows