InfoPath Form Definition File
2.7 | 13 Votes
What is an XSF file?
Most of the time XSF files are generated and maintained automatically by the InfoPath software. However, sometimes form developers manually edit XSF files to extend the functionality of the form templates.
Programs that open or reference XSF files
Cal3D XML Skeleton File
2.0 | 2 Votes
Three-dimensional model file created using Cal3D, an open source character animation program; contains parent to child relationships between the characters skeletal bones (torso, legs, arms, etc); used for creating character motion.
XSF files store the skeleton data using XMl formatting, whereas Cal3D skeleton .CSF files use a binary format.