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.
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.