What is .XNT file extension?
Application extension used by QuarkXPress, a program used for professional publishing; extends the functionality of the default QuarkXPress application; used for adding new components to the user interface, importing and exporting new file types, enhancing application workflows, or adding other functions.
Several XNT files are included with the QuarkXPress installation. They are located in the /XTensions/ directory. To disable an extension, place it in the XTensions Disabled directory.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.