Fix Word Read Aloud Reading Equations in the Wrong Language
Question details
The user wants to correct the language used by Word's Read Aloud feature when it dictates symbolic and built-in equations.

- Product
- Microsoft Word
- Device & OS
- not provided
- Scenario
- Using the Read Aloud accessibility feature to dictate text that contains built-in mathematical equations.
- Observed behavior
- Regular text is read in English, but equations are pronounced in a foreign language. Modifying proofing, display, and equation language settings fails to resolve the issue.
Verify that your system's default text-to-speech settings and Microsoft Office proofing languages are correctly configured to English (United States) before proceeding.
Update Word and Report the Known Bug
Since this is an acknowledged software bug with no reliable workaround, the best course of action is to ensure your software is fully updated and to report the issue directly to Microsoft.
This issue is a confirmed bug affecting certain built-in equation structures, such as the Fourier Series from the Equations gallery. Even when the equation text is explicitly marked as English (United States), the Read Aloud engine incorrectly processes it in another language.
Currently, changing language or proofing settings does not resolve the behavior for built-in gallery equations.
Open Microsoft Word, navigate to 'File', then 'Account'. Click on 'Update Options' and select 'Update Now' to ensure you have the latest patches.
Go to 'File' and select 'Feedback' from the left-hand menu.
Click on 'Send a Frown' (or 'I Don't Like Something'). Provide a detailed description of the bug, including the specific equation type, your Word version, and your language settings. Check the option to include a screenshot or attach a sample document if possible, then submit.

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Frequently Asked Questions
Why does Word Read Aloud change languages for equations?
This is a known text-to-speech bug in Microsoft Word where the dictation engine fails to recognize the assigned proofing language for certain mathematical symbols and built-in gallery equations, defaulting to an incorrect language instead.
Can changing proofing language settings fix this issue?
No, manually setting the equation's language to English (United States) through the Set Language dialog currently has no effect on this specific Read Aloud bug.
Does this Read Aloud bug affect all equations in Word?
Not all equations are affected. The issue primarily impacts built-in gallery equations, such as the Fourier Series. Some manually created equations might still be read correctly in English.
Are there any alternative screen readers that work better with Word equations?
Yes, dedicated screen reading software like NVDA (NonVisual Desktop Access) or JAWS often have more robust parsing for MathML and Word equations compared to the native Read Aloud feature.




