1- how to exp the Ogre3D's format. or which plugging i need to download?
for 3dsMax I would suggest OgreMax. For Blender, I'm not a Blender user, check the
wiki2- what is the format name of the Ogre3D's format
Ogre3D format
it can be in both binary and xml form and both forms are convertible to each other. Bones only accepts xml form.