Notes about the XNML 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 XNML file type is primarily associated with 'NML Language' by NevoSoft. An .NML file contains NML code. NML is a language that operates like PHP or ASP. The .NML file is processed by the Web server and an HTML page is generated. NML is under development. XNML is an extension to the basic language.