Disconnect your Win8 Microsoft Account
Problem: The Office 2013 installer picks up your Microsoft Account info if you use a Microsoft Account to log in to Windows 8. While that makes it easier for you to use SkyDrive, and to carry your settings from one machine to another, it’s yet another way for you to transmit your every move to Mother Microsoft. (Note: Some folks report that they can’t get Background and Theme changes to take after disconnecting.)
Solution: Click File, Account (or File, Office Account in Outlook). To disconnect an individual SkyDrive account, which you may have added in a moment of delusion, click Remove next to the account. To disconnect your main account, at the top, click Sign Out. Restart Windows.