How to Use Outlook Mobile Translator to Read Emails in Foreign Languages

When you receive an email in a language you do not understand, the Outlook mobile app can translate it automatically or on demand. This feature uses Microsoft Translator to convert email text into your preferred language without leaving the app. The translation appears inline so you can read the original and the translated version side by side. This article explains how to enable the translator, translate individual messages, and change your translation preferences.

Outlook Mobile Translator Feature Overview

The Outlook mobile translator is built into the Outlook app for iOS and Android. It uses Microsoft Translator, a cloud-based neural machine translation service, to convert email content from one language to another. The feature does not translate the subject line or email attachments. It only translates the body text of the email.

The translator can work in two modes: automatic and manual. In automatic mode, the app detects if the email language differs from your device or account language and shows a banner asking if you want to translate. In manual mode, you tap a button inside the email to request a translation. Both modes require an internet connection because the translation is performed on Microsoft servers.

The translator supports over 70 languages including Spanish, French, German, Chinese, Japanese, Arabic, and Portuguese. The full list matches the languages available in Microsoft Translator. The app does not store translated content on your device. Each translation request is sent to Microsoft servers, processed, and returned to the app.

Steps to Enable and Use the Outlook Mobile Translator

Before you can translate emails, you must have the Outlook mobile app installed on your iPhone or Android phone. Sign in with your Microsoft 365 work or school account, or a personal Outlook.com account. The translator works with all account types.

1. Open Outlook mobile app settings
   Tap your profile picture or initials in the top-left corner of the main screen. Scroll down and tap the gear icon to open Settings.
2. Navigate to Mail > Translation
   In the Settings menu, tap Mail. Under the Compose and Reply section, tap Translation.
3. Turn on automatic translation
   Toggle the switch for Translate messages to the On position. When this is on, the app will automatically detect foreign language emails and offer to translate them.
4. Choose your target language
   Tap Translate to and select the language you want all translated emails to appear in. This is usually your primary language. The default is the language set for your device or account.
5. Translate an email automatically
   Open an email written in a foreign language. A yellow banner appears at the top of the message saying “Translate this message?” Tap Translate. The body text changes to your target language. The original text remains accessible by tapping Show original.
6. Translate an email manually
   Open an email. Tap the three-dot menu (More options) in the top-right corner. Tap Translate. The email body is replaced with the translated version. If automatic translation is off, this is the only way to translate.

Change Translation Language After Setup

1. Open Settings > Mail > Translation
   Follow the same path as steps 1 and 2 above.
2. Tap Translate to
   Select a different language from the list. The change applies to all future translations. Already translated emails are not affected.

Turn Off Automatic Translation for Specific Languages

The Outlook mobile app does not offer a per-language toggle. You can only turn automatic translation on or off globally. If you do not want to see the translation banner for a specific language, you must disable the feature entirely and use manual translation instead.

Common Issues and Limitations with Outlook Mobile Translator

Translation Banner Does Not Appear for a Foreign Language Email

The app may not detect the language correctly if the email is very short, contains mixed languages, or uses non-standard characters. Ensure automatic translation is enabled in Settings > Mail > Translation. If the banner still does not appear, use manual translation by tapping the three-dot menu and selecting Translate.

Translated Text Looks Incorrect or Incomplete

Machine translation is not perfect. Complex sentences, idioms, and technical jargon may be translated poorly. The translator also does not handle email signatures, footers, or quoted text from previous replies. For important messages, cross-check the translation with a separate translator tool or ask a human speaker.

Translator Does Not Work Offline

The Outlook mobile translator requires an active internet connection. If you are offline, the translation banner and the Translate button in the three-dot menu are grayed out or do not appear. Connect to Wi-Fi or cellular data to use the feature.

Translator Not Available for Some Account Types

The translator works with Microsoft 365 work or school accounts, Outlook.com, and Gmail accounts added to the Outlook app. It does not work with POP or IMAP accounts that are not synced through Microsoft servers. If you use a third-party email provider, consider forwarding the email to an Outlook.com account.

Automatic Translation vs Manual Translation: Key Differences

Item	Automatic Translation	Manual Translation
Trigger	App detects foreign language and shows a banner	User taps Translate in the three-dot menu
Setup required	Turn on Translate messages in Settings	No setup needed; feature is always available
Visibility	Banner appears only when language differs from target	Translate option is always visible in the menu
Target language	Uses the language set in Translate to	Uses the language set in Translate to
Best for	Users who frequently receive foreign language emails	Users who only occasionally need a translation

After setting up the Outlook mobile translator, you can read foreign language emails without leaving the app or copying text to an external service. The feature saves time and keeps your workflow inside the inbox. For better accuracy in critical communications, compare the translation with the original text or use Microsoft Translator directly from the Translator app or website.