There are 3 file types use the .XMF file extension:
1. Cal3D XML Mesh File
Three-dimensional model mesh file created with Cal3D, an open source character animation library; contains polygons made up of nodes and edges, which comprise the geometry of the character; gives the model its skeletal structure.
Cal3D meshes are more commonly stored using the binary .CMF format.
NOTE: Cal3D models are used for applications such as IMVU, a 3D online chatting application that uses XMF files for virtual avatars.
Updated: December 19, 2014
2. Extensible Music File
Family of music-related file formats created and administered by the MIDI Manufacturer's Association; designed to contain multiple file types in a single file, such as MIDI data (.MID) files, instrument (.DLS) files, and wave audio (.WAV) files.
Updated: May 3, 2007
3. GameJack Disc Image File
Disc image file originally created by GameJack, a program used for backing up game CDs and DVDs; similar to an .XMD file and stores an exact copy of a game disc; enables games to be backed up onto a hard drive and mounted with .
GameJack, a German product, was replaced by Engelmann Media 5-Star GameCopy. The XMF format is now supported by additional disc imaging software programs such as HH Software Virtual CD.
Updated: October 8, 2011