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