I used to be able to type just the first letter and the full email address would come up. It suddenly stopped doing that and I have tried absolutely everything. When I go into the help section I can't even seem to make them understand what I am saying - it keeps telling me about other forwarding accounts for me.
It is such a simple thing, but such a nuisance now when you have to look up email addresses and type them in every time you send an email or forward something.