Copilot does not respond the same as the user's language

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Posted on by nicox

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Has anyone experienced Copilot not responding in the same language as the users?

I even tried adding a prompt to respond in the user's language and also adding it on the query, but it always replies in English.

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Vinoth Selvam 1,592 Super User 2025 Season 1 on at

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Hi nicox,

By default, Copilot will not be accurate in changing the languages automatically. If the Copilot General Knowledge is enabled, sometimes it responds in user language.

But to make it work correctly, You need to try the Multi Lingual option. I have created a post regarding that.

Refer to the below Links:

https://msdcentral.site/copilot-studio-build-multi-lingual-copilots/

https://community.powerplatform.com/blogs/post/?postid=b307ebd2-4285-ef11-ac21-6045bda6da2f

Hope this will be helpful.

Thanks.

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nicox 169 on at

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Thanks for your response, Vinoth. I really appreciate it.
When I use AI general knowledge, it typically responds in the user’s language. However, I need tight control over the information sources, making this approach unsuitable.
On the other hand, the built-in multilingual feature is limited to a few languages, unlike AI general knowledge, which supports almost all languages, including our dialects.

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SummitKumar 69 on at

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There is an alternative approach listed in blog post which give you some additional options by using power automate translation API and dataverse to store some of these localised messages and return based on user query

Empowering Multilingual Support in Microsoft Copilot Studio: A Step-by-Step Guide | by Karunakaran | Medium

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nicox 169 on at

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Hi SummitKumar, thank you for the providing another option, I appreciate it.

I will look into that.

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SummitKumar 69 on at

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Let us know and if this worked for you, please mark my answer as Verified

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