.X File Extension

2 file types use the .x file extension.
File Type 1

DirectX Model File

Developer Microsoft
Popularity
4.2  |  51 Votes
Category 3D Image Files
Format Text

What is an X file?

3D image file used by DirectX technology, which is often used for rendering 3D graphics in games; may contain specifications for meshes, textures, animations, and objects; can be exported using the DirectX SDK plugins for 3ds Max and Maya, or with custom exporters for programs such as Blender and DeleD.

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Programs that open or reference X files

Windows
Updated December 8, 2011
File Type 2

Lex Source Code File

Developer N/A
Popularity
3.7  |  16 Votes
Category Developer Files
Format Text

What is an X file?

Source code written in the Lex programming language (a standard lexical analyzer for Unix); may be processed with the lex utility included with most Unix distributions to generate a C program; the output is often written to a file named "lex.yy.c."

More Information

Lex source code files more often use the .L extension.

Programs that open X files

Linux
Lex  —  Discontinued
Free
Updated March 11, 2011

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