.M2 File Extension

3D model format used by World of Warcraft, an online multiplayer adventure game; describes the vertices, faces, textures, materials, and animation capabilities of a single model; used for players, creatures, and doodads (decoration objects) within the game.

M2 files include a global texture list, global vertex list, LOD (level of detail) settings, global bounding units, global sequences, a skeleton, and visual effects.