Japanese language IME for Office 2007

Instructions: Office 2007 Japanese Language Pack
--assuming that you have Office 2007 installed already, go ahead and install the Japanese Language
Pack which is useful for its dictionary and grammar checking tool...

IME 2007 =Control Panel -> Regional and Language -> Languages tab -> Details -> Add button ->
Input Language: Japanese -> Keyboard layout/IME: Microsoft Office IME 2007

Install East Asian fonts if you haven't already from the Languages tab.
Hold Alt + Shift to swap between English and Japanese input mode.