X (DirectX)

File Format
Name	X (DirectX)
Ontology	Electronic File Formats 3D and CAD/CAM Models X (DirectX)
Extension(s)	.x

X File Format, or .x, is a text-based file format associated with Microsoft's DirectX API. It stores data related to 3D graphics. There is also a binary version.

See also dotXSI.

Identification

Files most likely begin with "xof 0".

Sample files

• https://telparia.com/fileFormatSamples/poly/direct3DObject/

Links

• Windows Dev Center: X File Format Reference
• Windows Dev Center: X Files (Legacy) (Direct3D 9)
• Wikipedia: .x
• Direct-X File Format
• 3D Models with .X files