If you want to edit text in more than one language in Office, you have to install the appropriate language features. Some language features are specific to Office, whereas others are set in the Windows operating system.
For Office, you can enable additional editing languages so that you can work in those languages. To do so, choose Start All Programs Microsoft Office Microsoft Office Tools Microsoft Office 2007 Language Settings. The Microsoft Office Language Settings 2007 dialog box appears. Click a language to add the Available Editing Languages list at the left (Figure C-2); then click Add to make it one of the Enabled Editing Languages. If you want to use another primary editing language, choose it from the drop-down list. Click OK. If you changed the primary editing language, click Yes to continue. Close and restart Word so that the change takes effect.