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How to Fix Outlook on the Web Display Language Not Updating
Question details
The display language in Outlook on the web is not updating to English despite changing global account settings.
- Product
- Outlook on the web
- Device & OS
- not provided
- Scenario
- A user is trying to change their Outlook on the web interface language to English, but the application continues to display in Dutch.
- Observed behavior
- Outlook on the web continues to show the interface in Dutch, ignoring the English language and regional settings configured in Microsoft 365, Azure Active Directory, SharePoint, and OneDrive.
Verify that your global Microsoft 365 account language is correctly set to English, and keep your login credentials ready.
Update Mailbox-Specific Language Settings
Outlook on the web uses its own dedicated language settings that must be updated separately from your global Microsoft 365 profile.
Because Outlook on the web retains mailbox-specific configurations, global regional setting changes applied in Azure Active Directory or OneDrive will not automatically update the email interface. You must modify the settings directly within the Outlook web application.
Log in to Outlook on the web. Click the Settings (gear) icon in the upper-right corner, and select 'View all Outlook settings' at the bottom of the pane.
In the settings menu, go to 'General' on the left sidebar, and then click on 'Language and time'.
Choose English from the language dropdown menu. Ensure you check the box labeled 'Rename default folders so their names match the specified language' to translate folders like Inbox and Sent Items.
Click 'Save' at the bottom. When prompted, refresh your web browser so Outlook on the web can restart and apply the new language interface.
Clear Browser Cache and Session Data
Use this solution if adjusting the Outlook settings does not immediately resolve the language display issue due to saved browser data.
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Frequently Asked Questions
Why is my Microsoft 365 language English but Outlook is still in Dutch?
Outlook on the web maintains its own specific mailbox language settings that can override your global Microsoft 365, SharePoint, or Azure Active Directory profile configurations. You must explicitly change the language inside the Outlook settings menu.
What happens if I don't check 'Rename default folders'?
If you leave this option unchecked, the general user interface (like buttons and menus) will change to English, but standard folders like 'Postvak IN' (Inbox) or 'Verzonden items' (Sent Items) will remain in Dutch.
How long does it take for language settings to apply in Outlook on the web?
The changes should apply immediately after you click save and refresh your browser window. If the old language still appears, it is highly likely that your browser cache needs to be cleared.
