With this software, opening XCU files is easy. The software interprets the markup of the file, displaying the contents in a readable format.
For those who are not knowledgeable about XML markup or data structure, this tool presents the data in a way that is straightforward. https://www.filemagic.com/en/settings-files/xcu-file-extension/how-to-open-xcu-files-quickly-and-easily/