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How to Translate a Word Document with AI

Author: Amanda Li Last Modified: 2025-02-27

In today's globalized world, the ability to translate documents efficiently is crucial for communication across different languages. AI-powered translation tools provide a fast and accurate way to convert text while maintaining context and readability. AI-powered translation tools provide a seamless way to convert text across languages while preserving meaning and context. Microsoft Word and third-party AI solutions, like Kutools for Word, offer built-in translation features that simplify the process. This guide will explore AI-powered translation methods to help users translate documents effortlessly.


Translate a Word Document using Microsoft Word’s Built-in AI Translator

Microsoft Word’s Rewrite Suggestions features an AI-driven translation tool, Translator, powered by Azure AI Services, allowing users to translate entire documents or selected text within the document seamlessly.

Note: This feature is available to Microsoft 365 subscribers and Office 2021 or 2019 customers using Version 1710 or higher of Word. You must also be connected to the internet, and have Office connected experiences enabled to use Translator.

  1. Launch Microsoft Word and open the document you want to translate.
  2. Navigate to Review > Translate and choose either Translate Selection (for a portion of text) or Translate Document (for the entire document).
    A screenshot showing the Translate options in Microsoft Word's Review tab
  3. Select the target language from the available options.
    A screenshot displaying the available language options
  4. Review the translated text. If desired, click Insert to replace the original text with the translated content.
    A screenshot displaying the Insert button in the Translator pane

Notes:

  • If you choose the Translate Selection option, the translated text will be displayed within the existing document, as shown in the screenshot above. If you select the Translate Document option instead, the translated document will open in a separate window.
  • Both this feature and Kutools' Super Translate preserve formatting. However, the Super Translate method offers additional functionalities such as selecting translation styles, generating back-translations for verification, and providing a side-by-side comparison document for easy reference between the original and translated text.

Translate a Word Document using Kutools for Word’s Super Translate

Kutools for Word’s Super Translate feature offers AI-driven translations while preserving document formatting. It excels in handling structured layouts, tables, and styled text. In addition to standard translation, it enables users to choose translation styles, verify accuracy through back-translation, and compare text with a side-by-side document view for easy reference.

Kutools for Word, equipped with AI 🤖, offers over 100 handy features to simplify your tasks.
  1. Open the document in Microsoft Word and select the content you want to translate.
  2. Select Super Translate from the Kutools tab. AI-powered features provided by Kutools are completely free for all users.
    A screenshot of the Super Translate option in the Kutools tab on the Ribbon in Microsoft Word
  3. In the pop-up Super Translate dialog box:
    1. Select the target language.
    2. Choose the part of the document to translate.
    3. Specify the translation style.
    4. Decide whether to generate a back translation to verify accuracy.
      A screenshot of the Super Translate dialog box in Microsoft Word
  4. Click OK. The translated document will be created and appear side by side with the original one.
What Can You Do with This Side-by-Side View

With the Super Translate side-by-side view, reviewing and comparing translated content with the original document becomes effortless. This feature allows you to analyze differences and make necessary adjustments with ease:

  1. Clicking on a translated paragraph automatically highlights the corresponding paragraph in the original document.
  2. A toolbar beneath each translated paragraph provides the following options:
    • Replace: Replace the original paragraph with the translated version.
    • Insert Below: Add the translated text directly below the original.
    • Change Translation Style: Choose a different translation style and click Retranslate for a refined version.
    • Retranslate: Generate a new translation if the initial result needs improvement.
    • Done: Close the toolbar when finished; it will be permanently closed for the current document session once the button is clicked.
  3. Once you've finalized the translation, you can save the document as a separate file or close it, depending on your requirements.

Translate a Word Document using Kutools for Word’s Real-Time Assistant

The Real-Time Assistant in Kutools for Word provides AI-powered, real-time translation assistance, allowing users to refine text dynamically as they write or edit. This feature enables users to customize the AI’s role prompt and set additional conditions, such as preserving the original tone and style. By providing accurate and context-aware translations, it ensures high-quality results that align with user preferences and document requirements.

Kutools for Word, equipped with AI 🤖, offers over 100 handy features to simplify your tasks.
  1. Launch Microsoft Word and open the document you want to translate.
  2. On the Kutools tab, select Real-Time Assistant > Translation.AI-powered features provided by Kutools are completely free for all users.
    A screenshot of the Real-Time Assistant options in the Kutools tab on the Ribbon in Microsoft Word
  3. The Real-Time Assistant pane will appear on the right side of your Word document. Select the content you want to translate and do as follows:
    1. Select the target language for translation.
    2. Choose an additional condition if needed.
    3. Click the Generate button.
      A screenshot showing the Real-Time Assistant pane in Microsoft Word, with translation displayed in the Real-Time Translation box
  4. After generating the translation, you can choose how to apply it:
    1. Copy Specific Content: Select the translated text, right-click, and choose Copy, then paste it where needed.
    2. Copy Entire Translation: Click the Copy button to duplicate the full translated content.
    3. Insert: Add the translated text after the original content for reference.
    4. Replace: Overwrite the original text with the translated version directly.
      A screenshot showing options to apply translated text, such as Replace, Insert, or Copy, from the Translation box in the Real-Time Assistant pane in Microsoft Word

Notes:

  • By default, the translation feature operates in manual mode, requiring you to select text and click Generate for translation.
    • If you prefer automatic translation, toggle the Auto button (see Mark 1 in the screenshot below).
    • When enabled, auto mode will automatically translate text as you type, edit, highlight content, or place the cursor within a paragraph.
  • To customize the translation style and focus, or modify the AI role prompt, select Edit from the Additional Condition drop-down menu (see Mark 2) to access the settings.
    A screenshot of the Translation box in the Kutools Real-Time Assistant pane and the Settings dialog box

Translate a Word Document using Online AI Translators

Online AI translation tools such as ChatGPT, DeepL, and Google Translate provide advanced translation capabilities, enabling quick text conversion between languages with high accuracy. However, these tools are not integrated into Word, making them less seamless compared to Microsoft's built-in Translator or Kutools for Word.

Steps to translate using online AI translators:

  1. Copy the text from your Word document.
  2. Open an AI translation tool (e.g., Google Translate, DeepL, ChatGPT).
  3. Paste the text into the input field.
  4. Choose the source and target languages.
  5. Click Translate to generate the translated text.
  6. Copy and paste the translated text back into your Word document.
  7. Adjust formatting as needed.

Do More in Less Time with AI-Enhanced Kutools for Word

Kutools for Word isn't just a set of tools - it's a smart solution designed to boost your productivity. With AI-driven capabilities and the most essential features, Kutools helps you accomplish more in less time:

  • Create, refine, translate, summarize and secure documents effortlessly.
  • Improve grammar, clarity, and tone as you write in real time.
  • Rephrase and translate content with no layout or formatting changes.
  • Ask how to complete a task - like removing section breaks - and the AI will guide you or do it for you.
  • All tools work seamlessly inside Word, always within reach.
Learn more about Kutools for Word Download Now
Kutools for Word features

Tips for Better AI Translation Results

AI-powered translation tools offer convenience and speed, but for the best results, follow these best practices:


Ensure the Translation Tone Suits the Context

Some AI translation tools allow users to choose between formal and casual tones. If you're using an AI chatbot like ChatGPT, you can specify your preference by saying, "Translate the following text into [language] using a formal tone." Always select a tone that matches your audience and the purpose of your document:

  • For professional or academic documents, opt for a formal translation to maintain credibility and clarity.
  • When translating informal conversations, emails, or social media posts, a casual tone may be more appropriate to keep the language natural and engaging.
  • If the tool allows for adjustments, experiment with different styles to find the most suitable version for your content.

Proofread and Refine AI-Generated Translations

While AI provides high-quality translations, it may not capture nuanced meanings or cultural contexts perfectly. Always review and edit the output for clarity and accuracy.


Compare Translations from Multiple AI Tools

Different AI tools have unique algorithms and databases. Cross-check translations using multiple services, such as Google Translate, DeepL, and ChatGPT, to get the most accurate results.


Enhance AI Translation with Customization (If Available)
  • Some AI-powered translation tools allow users to customize the AI’s role prompt to match specific communication needs. For example, in Kutools for Word's Real-Time Assistant, you can modify the AI’s role to behave like a customer service representative, ensuring translations reflect a polite and professional tone. A prompt like "Translate the following text into French while maintaining a friendly and formal customer support style" helps align the translation with your brand’s voice and customer engagement strategy.
  • Some AI models offer customization options to ensure consistent terminology, especially in technical, legal, and medical fields where precision is essential. For example, Real-Time Assistant can be configured to always translate "contract termination" as "résiliation du contrat" in legal documents, improving both accuracy and translation consistency.
  • If the software provides options for user feedback, regularly correcting translations can help the AI improve in future translations.

Conclusion

AI-powered translation tools make it easy to translate Word documents accurately and efficiently. Whether using Microsoft Word’s built-in AI translator, Kutools for Word’s advanced features, or online AI translation services, choosing the right method depends on your needs. By following the best practices mentioned, you can ensure high-quality translations while maintaining document integrity and formatting.


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