If you see this error message, it means your version of Microsoft Word 2016 is outdated and not compatible with the LanguageTool add-in.
How to resolve the issue
You need to update your Microsoft Word to the latest version:
Open Microsoft Word.
Go to File → Account.
Click on Update Now under Office Updates.
Follow the prompts to complete the update.
Once updated, the LanguageTool add-in should work correctly.
If you need further assistance, please contact our support team.
