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