Here are some more details on the Microsoft Office Multi-Language Pack 2007....  (Note, this is in addition to an earlier post we put up.) This information was taken from some internal documentation that has been approved for release:

What is the Microsoft Office Multi-Language Pack 2007?

The Microsoft Office Multi-Language Pack 2007 is an add-in product that can change the entire user experience of Office 2007 desktop applications by enabling each desktop to support many languages.. This includes Menus/User Interface, Help, Dictionary, Thesaurus, and Spell Checker. In addition to enhancing the user experience, a user can elect to use individual aspects of the pack, such as spell checker to proof a document in a language other than the default language set on their computer.

 What languages are available?

The MLP will include tools for the following languages:

Arabic, Brazilian Portuguese, Bulgarian, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hebrew, Hindi,   Hungarian, Italian, Japanese, Kazakh, Korean, Latvian, Lithuanian, Norwegian, Polish, Portuguese, Romanian, Russian, Serbian Latin, Simplified Chinese, Slovak, Slovenian, Spanish, Swedish, Thai, Traditional Chinese (HK), Traditional Chinese (Taiwan), Turkish, Ukrainian.

-- Jay Waltmunson (Program Manager)