How to Disable Microsoft Outlook's Native Checker for Optimal Use of LanguageTool?

LanguageTool for Windows offers advanced error detection and style improvements for your writing, which might overlap with the corrections from Window's native spellchecker. This guide will show you how to disable the native spellchecker in Microsoft Outlook, allowing you to concentrate solely on the suggestions from LanguageTool.

Classic Outlook

1. Open a new message by clicking on “New Email”
2. In the new email window, navigate to the “Review” tab
3. Choose “Set Proofreading Language…” from the “Language Select” section
4. Tick the “Do not check spelling or grammar” checkbox
5. Confirm your setting by clicking “Set As Default”

Outlook 365

1. Open a new message by clicking on “New mail.”
2. In the new email window, navigate to the “Options” tab.
3. Choose “Editor Settings” from the “Editor” section.
4. Uncheck all options under the “Corrections” section.
5. Confirm your settings by clicking “OK.”

With these steps, Microsoft Outlook will no longer display its native spelling and grammar suggestions, allowing you to focus on LanguageTool's advanced grammar and style recommendations in your document.