[Turn it off and on again]

http://blogs.technet.com/b/hot/archive/2012/04/26/how-to-add-an-alias-to-an-office-365-account-and-how-to-set-up-outlook-to-send-email-messages-as-this-alia...

If you’re connecting to your Office 365 email, you don’t need to look up your settings. For Office 365, use the following settings. SERVER NA...

There different logins for Office 365, depending on the type you have.  Here are very useful link to both login and to manage office 365 https://login...

http://www.heidoc.net/joomla/technology-science/microsoft/18-office-2010-direct-download-links

by default it's every 3 months, you can change it with help of this link: http://office.microsoft.com/en-us/office365-suite-help/set-a-user-s-pa...