When you say that Outlook e-mail has disappeared, are you referring to the icon to launch the program? Or are you missing actual e-mails?
When you say that Microsoft sorted a hacking problem, I have to tell you, that concerns me a bit.
Did you receive a pop up on your screen telling you that there was a problem with the computer and that you needed to call a number for assistance?
Are you still with me?
You requested a remote assistance offer, which I sent over. If you would rather continue working over chat then we can do that instead.