Laura All good. Working now on the HTC. However, when I sync my XDA (that was working fine when the HTC was not!), it has created random duplicate contacts (931) and appointments (425) in both the PDA and Outlook and I am in the process of fixing this... never ends, eh?

Laura Thanks for the encouragement. I think I have a solution that DOES NOT INVOLVE REFORMAT THE PC... !! Ever looking for a shortcut and not looking forward to spending a whole day setting my PC again, I found an obsure post at http://social.microsoft.com/forums/en-US/windowsmobileactivesync/thread...

Thanks again for the helpful suggestion. i had actually done this (twice actually - once on the HTC ActiveSycn and then again from the PC) and all the contacts are deleted, then reinstalled... same problem. Appreciate the help - any more ideas? Is there a log I can look at to see if there is some error...

Laura, thanks for the thought. I checked (again) and it is set to 'All Contacts'. The perculiar thing is that the contacts that did not make it across are in a variety of categories but mainly 'Personal' and marked 'Private' but then again some with these combinations have been...

Strange...here's the story I have an XDA II running WM5.0 and an HTC TyTnII running WM6.1 The HTC came back from having the screen replaced (I cracked it !). Did a factory hard reset. Reconnected, AS4.5 said sucessfully syncronised - I thought all was good. BUT, some contacts (this is the wierd bit...