I've cleared IE10 cache, temp files, reset settings via tools and updated to IE11 Preview build and I still cannot login to outlook.I can login to other msn services such as msn homepage but it will fail when I press outlook link.

'Something went wrong and we can't sign you in at the moment. Please try again later.'
The microsoft account page suggests the service status is fine.

Thankfully I can use firefox to login and mobile devices.

I'm sure a recent update caused this.

{EDIT: Additional Info}
I also cannot log out of msn.co.uk or microsoft account page strangely!
uk.msn.com
https://account.live.com/