When creating a new message and type the first letter of someone you want to address, a list of possible contacts still appears.
That is certainly very odd that they are missing. There may be several causes of why that is happening. To get more details, are you using a third party email client or webmail through a browser? Have you tried using a different web browser to see if they show up?
Tony | Community Mod.
Not only contacts list has gone but so has the contacts icon. It is impossible for me to replace the contacts because the space for it has gone.
@Cabrach from my personal Webmail account, the contacts list and icon are still there. Can you go to preferences and tell me what "Default Client" you are set in? "Advanced (Ajax) should be selected, similar to below. Also, can you use a different browser or device to see if the same problems persist?