I was evaluating Free Microsoft Online. I found it's easy, compact, maybe I can recommend clients to use in their offices as. But the sharing the documents seem a bit caution. It only has one option to share with a URL link. If anyone has the link, they can view/edit the file. Is there anyway to restrict to Office Online user based share permissions like Google Doc?
For example, I like to share the document with only User A (Microsoft Office registered user) and the shared doc will be viewed and edited if the user has logged on.