Hi Michael,
From your description, it seems that you want to know how to connect your Outlook to Office365?
Before connect Outlook to Office365, we suggest you install Desktop setup at first: https://portal.microsoftonline.com/download/default.aspx , it will automatically configure your Office desktop apps to work with Microsoft Office 365.
Secondly, according to your Outlook version, refer to the correct link to configure your Outlook, if it failed, please try to manually configure it:
If your Outlook version is 2007 : http://help.outlook.com/en-us/140/cc511396.aspx
If your Outlook version is 2010: http://help.outlook.com/en-us/140/Dd253202.aspx
If your Outlook version is 2003: http://help.outlook.com/en-us/140/cc835668.aspx
The link below is about manually configure Outlook: http://blogs.technet.com/b/hot/archive/2012/02/06/how-to-manually-configure-outlook-office-365.aspx
Thanks,
Jacky Ding