Ensure that the core properties are there before saving them, in case they have not yet been lazy-created
Ensure that the core properties are there before saving them, in case they have not yet been lazy-created

stuartwmurray/npoi,tkalubi/npoi-1,tonyqus/npoi,antony-liu/npoi,xl1/npoi,vinod1988/npoi,Yijtx/npoi,jcridev/npoi