I have about 3500 contacts in Outlook. When I got my D2, they seemed to sync pretty well, however, every now and then, I discover a couple that for some mysterious reason were not synced. There is no rhyme or reason...some are older, some are newer. For example. I have a listing for a personal friend who has been in the list for every, then one for business I just added - no Group or anything. He synced right away, and the friend has never synced? Thoughts?