Notes about the XMLBACKUP file extension:
Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.
The XMLBACKUP file type is primarily associated with 'EnABLE' by Energy Scitech Ltd.. Backup of XML file created by EnABLE before it starts to add new data to the project file. Support by phone at +44 1483 79 50 50 can help you to understand the function of this file. You may need it if your process or computer crashed during a long operation when you were using EnABLE. Alternatively you may have decided to deliberately terminate an EnABLE job and need to load it in place of your project.XML file.