
So you need a detailed analysis of a file to find out the format and the associated program. Frequently, however, one file extension is used by different programs for different file formats, and one file format for different file extensions. The first characters in a file identify the file format, for example, HTML files start with the bytes. If you can determine the file format, the associated program also can be determined. This file format is classified as 3D Image. Xview has been discontinued but its X files can be opened with third-party software such as XnView. The program stored 3D objects used to create DirectX scenes in X files. Xview is a widget toolkit used to provide an OPEN LOOK user interface on X Windows System software. Just drag the file onto this browser window and drop it. You can also display a X file directly in the browser. Then click "Open with" and choose an application. If you cannot open your X file correctly, try to right-click or long-press the file. Without proper software you will receive a Windows message " How do you want to open this file?" or " Windows cannot open this file" or a similar Mac/iPhone/Android alert. You need a suitable software like DirectX to open an X file. X file extension was used by several outdated formats Human68k, a an obsolete operating system stored program executable data in X files, X11, a Unix GUI application stored its server import image in an X file and SuperDisk, an obsolete archiving application stored self-extracting archives as X files.

The X file format is also used to store Lex programming language source code. Magic3D Easy View, a computerized stage-lighting planning and simulation software uses the X file format to store 3D objects. The X file format was introduced with version 2.0 of DirectX, the media technology used to manage and render audio, video, games, and 2D/3D graphics on Windows computers. Contents of DirectX object files includes geometry meshes, textures, animations, and material information used by a 3D model in a game.

X file extension is mainly associated with the X file format used to save DirectX objects. X files mostly belong to DirectX by Microsoft.
