Office Settings & Configuration

How to Fix Grammarly Errors and Automatic Scrolling in Microsoft Word 365

Amos Gikunda Sep 28, 2026 869 views

Question details

The user is experiencing unexpected automatic scrolling and frequent Grammarly add-in errors while using Microsoft 365 Word.

Product: Microsoft 365
Device & OS: not provided
Scenario: Typing, editing, or reading documents in Microsoft Word with the Grammarly add-in enabled.
Observed behavior: Word documents scroll automatically without any user input, accompanied by repeated error prompts related to the Grammarly add-in.

Before you start

Before troubleshooting, ensure you have saved all your open documents. Disconnect any external mice or keyboards temporarily to rule out hardware malfunctions that might be causing the automatic scrolling.

Solution 1Recommended

Disable the Grammarly Add-in and Test Word

Determine if Grammarly is the root cause of the errors and scrolling by temporarily disabling the add-in.

Third-party extensions can sometimes conflict with Microsoft Word's core functions. Disabling Grammarly helps isolate whether it is responsible for the application errors or the scrolling issue.

Open Add-ins Menu

Open Microsoft Word, click on 'File' in the top-left corner, and select 'Options' at the bottom of the menu. Choose 'Add-ins' from the left sidebar of the Word Options window.

Manage COM Add-ins

At the bottom of the window next to the 'Manage' label, select 'COM Add-ins' from the dropdown menu and click the 'Go' button.

Disable Grammarly

Uncheck the box next to Grammarly in the add-ins list and click 'OK'. Restart Microsoft Word and check if the automatic scrolling and errors have stopped.

Disable the Grammarly Add-in and Test Word

Updating Grammarly: If the issue stops after disabling the add-in, try updating or reinstalling Grammarly. If errors persist after reinstallation, you will need to contact Grammarly Support.

Solution 2

Launch Word in Safe Mode to Bypass All Add-ins

If disabling Grammarly didn't fix the scrolling, Safe Mode helps verify if other extensions or templates are interfering.

Free Microsoft Office alternative

Try WPS Office for a Bug-Free Writing Experience

If Microsoft 365 add-in conflicts and automatic scrolling issues are disrupting your workflow, consider switching to WPS Office. It is a lightweight, reliable, and free alternative that seamlessly opens Word documents without the heavy resource usage or frequent add-in crashes.

1. Download WPS Office: Visit the official WPS website and click the free download button.
2. Install the Software: Run the downloaded installer and follow the quick on-screen instructions.
3. Open Your Documents: Launch WPS Writer and seamlessly open your existing .docx files to continue working immediately.

Fully compatible with Microsoft Word (.docx), Excel, and PowerPoint formats.Built-in spell check and writing tools without needing problematic external add-ins.Lightweight software that runs smoothly without automatic scrolling glitches.Familiar user interface makes it easy to switch from Microsoft 365.

Frequently Asked Questions

Why does my Microsoft Word keep scrolling automatically?

Automatic scrolling can be caused by hardware issues (like a stuck keyboard key or a faulty mouse scroll wheel), conflicting third-party add-ins such as Grammarly, or corrupted Word settings. Disconnecting hardware temporarily and running Word in Safe Mode can help identify the exact cause.

How do I completely remove Grammarly from Word?

To completely remove Grammarly, open the Control Panel in Windows, select 'Uninstall a program', locate 'Grammarly for Microsoft Office Suite' in the list, and click 'Uninstall'. You can also disable it without uninstalling via the 'COM Add-ins' menu in Word Options.

Is it safe to post my Microsoft 365 license key on support forums?

No, you should never post license keys, passwords, or personal account details on public forums. Doing so can lead to unauthorized access to your Microsoft account or software theft. Always use official, private support channels for sensitive account issues.

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