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How do I turn off grammar suggestions in Outlook for the Mac 16.103.4?

Brad Bulger 1 Reputation point
2025-12-11T22:59:31.1166667+00:00

How can I turn off these stupid grammatical suggestions when I am composing an email in Outlook for the Mac version 16.103.4? I have spellcheck turn off for the Mac in the Keyboard Text settings. The default setting for my language is Do not check spelling or grammar. Yet still, Outlook does both.

While I am composing the email, I can go into Edit > Spelling and Grammar > Language. The popup that appears shows that "Do not check spelling or grammar" is checked. Nonetheless. If I then apply those already-checked values, then for that email, the checking is turned off. But it is back on again in the next email I compose.

Why do you make this so difficult? How do I disable it?

Outlook | MacOS | New Outlook for Mac | For business
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  1. Dora-T 8,520 Reputation points Microsoft External Staff Moderator
    2025-12-12T03:43:14.8833333+00:00

    Hi @Brad Bulger

    Thank you for reaching out to the Microsoft Q&A Forum. 

    I understand how frustrating it can be, especially when the setting appears to be enabled but Outlook still checks grammar.  

    I tested this on my side using a Mac device, and I observed the same behavior. When I select “Do not check spelling or grammar,” it disables grammar checking for the current email, but when I open a new message, even though the option remains checked, Outlook continues to check grammar. It seems to be the same behavior you’re encountering. I'm sorry for the inconvenience this has caused. 

    I also checked the available documentation, but I couldn’t find any official solution that addresses this behavior in the New Outlook for Mac. Therefore, I’d recommend submitting feedback on our Ideas · Community platform. This helps ensure your experience is seen by the product team and can improve the experience for others in future updates.  

    Once you submit your feedback there, other users can locate your post and vote for it, which increases your visibility and priority to the product team. And I appreciate you raising this issue. Your action can help others in our community who face the same concern. 

    You can also follow this link to share your feedback: How do I give feedback on Microsoft 365? - Microsoft Support  

    Thank you again for your patience and understanding. If you have any other concerns, feel free to let us know.  

    Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

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