XBP - Picture File
XBPI - Icon Picture
XBA - Audio File (Multimedia Container)
XBAV - Voice Audio (Multimedia Container)
XBV - Video File (Multimedia Container)
XBT - Text File
XBTS - Text Subtitles
XBTD - Text Document
XBTP - Presentation 
XBD - Database File
XBDC - Chemistry File
XBDI - Configuration File
XBS - Scene File
XBSM - Scene Map
XBE - Executable File
