This task requires a manager, vice president, CEO-Business Manager, System Administrator, or System Customizer security role A defined set of privileges. The security role assigned to a user determines which tasks the user can perform and which parts of the user interface the user can view. All users must be assigned at least one security role in order to access the system. or equivalent permissions. More information about specific permissions and performing this task while offline: Configuration Permissions
In the Navigation Pane, click Settings, click Administration, and then click Languages.
Select the check boxes for each language you want to enable, and clear any check boxes that you want to disable.
Microsoft Dynamics CRM Online enables the languages you selected and disables the languages you cleared.
When you have finished enabling and disabling languages, click Close.
The base language The default language for your organization's implementation of Microsoft Dynamics CRM Online. cannot be disabled.
If you are running Microsoft Dynamics CRM Online for Microsoft Office Outlook, before you can enable additional languages, you must download one or more Language Packs on the same computer.