The Office 2010 Language Interface Pack for Vietnamese is now available on the web. You can find it by clicking on this link . This Office Language Interface Pack allows you to change your User Interface to Vietnamese in the following Office 2010 applications: Excel, OneNote, Outlook, PowerPoint...

The Office Language Interface Packs first started to appear when Office 2003 was released. There are 33 released Office 2003 LIP, the links of which I have given you below: Afrikaans Inuktitut Marathi Albanian Irish Nepali ...