I am having an issue in that received messages are dropping from my iPhone 5 inbox, even when unopened.  They just disappear.  Also, content in my files does not appear on the iPhone.  All content is still available when I access outlook / hotmail through a pc but it does not work on the iPhone.  Apple has reinstalled info twice and has tried a new phone but they think it is an issue on the microsoft side.  Something about permissioning?  Can you activate or permission something from your end?