Office Compatibility Issues

Fix: Grammarly Add-In Is No Longer Supported in Microsoft Word

Amos GikundaAmos Gikunda Nov 2, 2026 868 views

Question details

The user needs to resolve an error indicating that the Grammarly add-in is unsupported in their version of Microsoft Word.

How to Fix 'Grammarly Add-In Is No Longer Supported' in Microsoft Word
Product
Microsoft Word
Device & OS
not provided
Scenario
Attempting to install, launch, or use the Grammarly add-in within Microsoft Word to check document grammar and spelling.
Observed behavior
Microsoft Word displays an error message stating that the Grammarly add-in is no longer supported, preventing the user from utilizing the writing assistant.
Before you start

Ensure your device is connected to the internet and save any open documents before attempting to update or reinstall Microsoft Word add-ins.

Solution 1Recommended

Identify Version Compatibility and Update the Add-in

Review the specific error details to determine if the issue stems from an outdated Microsoft Word edition or an incompatible Grammarly add-in version, then apply the necessary updates.

Software add-ins require continuous updates to remain compatible with their host applications. If either Microsoft Word or the Grammarly add-in falls significantly behind in updates, they lose compatibility, resulting in the 'no longer supported' error.

1
View error details

Click the 'See Details' button on the error prompt to reveal the specific cause of the incompatibility.

2
Update Microsoft Word

If the details mention an outdated Word version, open Microsoft Word, navigate to File > Account, click 'Update Options', and select 'Update Now'.

3
Reinstall the Grammarly add-in

If the issue lies with Grammarly, open the Microsoft Store or visit Grammarly's official website to download and install the latest version of the add-in.

4
Contact official support

If updating both applications does not resolve the error, contact Microsoft Store Support or Grammarly Support with the details you found for personalized assistance.

Identify Version Compatibility and Update the Add-in
Alternative Access: While troubleshooting, you can still use the Grammarly desktop application or web editor to check your documents without relying on the Word add-in.
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If third-party add-ins are causing persistent compatibility issues in Microsoft Word, consider switching to WPS Office. It provides powerful built-in proofreading features and integrates smoothly with standalone writing assistants, all while maintaining perfect compatibility with standard document formats.

  1. 1. Download and install: Visit the official WPS Office website and download the free desktop application.
  2. 2. Open your document: Launch WPS Writer and open your existing Microsoft Word (.docx) documents effortlessly.
  3. 3. Check spelling seamlessly: Navigate to the Review tab to access built-in spell check tools instantly.
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Frequently Asked Questions

Why does my Grammarly add-in say it is no longer supported?

This typically occurs when your installed version of Microsoft Word or the Grammarly add-in is outdated. Software developers periodically drop support for older versions to ensure security and functionality.

Can I use Grammarly without the Microsoft Word add-in?

Yes. You can install the standalone Grammarly Desktop application for Windows or Mac, which works universally across most applications, or upload your document directly to the Grammarly web editor.

How do I check for Microsoft Word updates?

Open Microsoft Word, go to the 'File' tab, select 'Account' (or 'Office Account'), click the 'Update Options' button next to Office Updates, and choose 'Update Now'.

Does WPS Office include its own grammar checking?

Yes, WPS Office comes with robust, built-in spell check and proofreading tools that can help identify errors and format your documents efficiently right out of the box.