The X
按字母分类：
extension name file type Classification
JAP jAlbum Project Settings File settings file
JDF Adobe Acrobat Job Definition File settings file
JKM JAWS Key Map File settings file
JOY CryENGINE Facial Editor Joystick File settings file
JSF Project64 Joystick File settings file
JSL JMP Script settings file
JWS Java Workspace Settings File settings file