Update & Upgrade Problems

Fix Access MouseWheel Count Zero After Microsoft 365 Update

Khadija Khan Sep 27, 2026 869 views

Question details

Users need a way to restore the Form_MouseWheel event functionality which fails to detect scroll count after a recent Office update.

How to Fix Access MouseWheel Count Zero After Microsoft 365 Update

Product: Microsoft Access
Device & OS: not provided
Scenario: Using Microsoft Access forms that depend on detecting the mouse scroll direction via the Form_MouseWheel event.
Observed behavior: In Microsoft 365 Access version 2412, the Form_MouseWheel event returns a zero value instead of the expected scroll count, breaking form features reliant on scroll direction.

Before you start

Save all your open work and ensure you have administrative privileges to install Microsoft 365 updates or execute a version rollback via the Command Prompt.

Solution 1Recommended

Update Microsoft Access to Version 2501

Installing the latest official update resolves the bug and restores standard mouse wheel functionality in your Access forms.

Microsoft has officially addressed the MouseWheel bug in Current Channel version 2501 (build 18429.20132) and Current Channel Preview build 18429.20114. Updating to this version or newer will immediately fix the zero-count issue.

Open Microsoft Access

Launch Microsoft Access and open any existing database or a blank database to access the main ribbon menu.

Navigate to Account Settings

Click on 'File' in the top-left corner of the window, then select 'Account' from the bottom of the left-hand sidebar.

Check for Updates

Under the Product Information section, click the 'Update Options' button, then select 'Update Now' from the drop-down menu.

Install and Restart

Wait for Office to download and install the latest updates. Once completed, restart Microsoft Access and test your form's Form_MouseWheel event.

Update Availability: The fix was released on January 30 for the Current Channel. If you are on the Beta Channel and the fix is not yet available, please use the rollback method below.

Solution 2

Roll Back to a Previous Microsoft 365 Build

If the patch is not yet available in your specific update channel, reverting to a version prior to 2412 acts as a temporary workaround.

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Frequently Asked Questions

Why does the Form_MouseWheel event return zero in Microsoft Access?

This is a confirmed software bug introduced in Microsoft 365 Access version 2412. The update inadvertently caused the event to stop registering the correct scroll count and scroll direction.

How can I check my current Microsoft Access version?

Open Microsoft Access, click on the 'File' tab, and select 'Account'. Look under the 'About Access' section to see your current version number and build number.

Is the MouseWheel fix available for Beta Channel users?

At the time of the initial patch deployment (January 30), the fix was released to the Current Channel and Current Channel Preview. Users on the Beta Channel should monitor upcoming releases or temporarily roll back their Office version.

Installation & Activation