Some additional information - with InTheHand 3.1 on WM5 only a small number of contact properties do not "stick". Most of the contact properties such as FirstName, LastName and Email1Address work as expected. It is just a few like IM#Address, JobTitle, and Manager that cannot be retrieved from...

With the 3.1 version certain properties of the Contact object don't work like IMAddress1 and JobTitle. So this code would fail. OutlookSession s = new OutlookSession(); Contact c = (Contact)s.Contacts.Items[0]; c.JobTitle = "asdf"; if(c.JobTitle !="asdf") throw new Exception("value...