You can use the Office language options to add a language, to choose the UI display language, and to set the authoring and proofing language. The language options are in the Set the Office Language Preferences section of the Office Options dialog box, which you can access by going to File > Options > Language.The display and authoring languages can be set independently.

Introduction . An update is available that adds support for the Dutch (Belgian) language pack in Windows 8 and Windows RT. More Information Update information

Manually download a language for Cortana speech. Go back to Settings > Time & language > Language, select your new language, and then use the up-arrow button to move it to the top of the list and make it the default.

Review the languages shown above the double line in the Mark selected text as list. Office can detect only those languages listed above the double line. If the languages that you use are not shown above the double line, you must enable the editing language (turn on the language-specific options) so that Office can automatically detect them.

Under the Windows 7 Language Packs category,select the desired language pack. Note If you install many additional language packs, the disk space and system performance are affected. In particular, disk space and system performance are affected during servicing operations, such as Service Pack installations.

Resolution How to obtain and install the service pack. Method 1: Microsoft Update (recommended) This service pack is available from Microsoft Update. Enrolling in Microsoft Update is the recommended way to update the products to SP2.

Introduction . Microsoft Office 2013 Language Pack Service Pack 1 (SP1) provides the latest updates for Office 2013 Language Pack. This service pack includes two kinds of fixes:

The easiest way to get language packs for Windows 8.1 and Windows RT is to download and install them using the Language Control Panel. Download and install additional languages to view menus, dialog boxes, and other user interface items in your preferred language.

Introduction . An update is available that adds support for the Dutch (Belgian) language pack in Windows 8 and Windows RT. More Information Update information

Important: Some Microsoft 365 settings, including display language, can't be changed by users in certain Microsoft 365 configurations, such as hybrid environments.If none of the following procedures work for you, contact your organization's IT administrator for help.