Office Compatibility Issues

How to Fix Microsoft Web Browser Control in Excel UserForms

John Wilson Sep 27, 2026 869 views

Question details

The user needs to resolve inconsistencies where a legacy Microsoft Web Browser control embedded in an Excel UserForm works on certain computers but fails on others.

How to Fix the Microsoft Web Browser Control in an Excel UserForm

Product: Microsoft Excel
Device & OS: not provided
Scenario: Running an Excel workbook containing a UserForm with a WebBrowser control on multiple computers across an organization.
Observed behavior: The Web Browser control functions correctly on some machines but fails on others, likely due to conflicting security settings, system policies, or varying Office versions.

Before you start

Ensure you have administrative privileges on the affected computers, as you may need to check system policies, registry settings, or Trust Center configurations.

Solution 1Recommended

Compare System and Security Settings

Identify the differences in security policies and Office settings between the working and affected computers.

The legacy Web Browser control is highly sensitive to local security configurations and Office version differences. Identifying these discrepancies is the first step to resolving the compatibility issue.

Check Trust Center Settings

Open Excel on both computers. Go to File > Options > Trust Center > Trust Center Settings, and verify the ActiveX Settings. Ensure the settings on the failing computer match those on the working one.

Verify Installed Office Versions

Check the exact build and version of Microsoft Office on both machines. Recent Office updates frequently disable legacy ActiveX controls for security reasons.

Review Windows System Policies

Consult your IT administrator to ensure there are no Group Policies blocking ActiveX controls or legacy Internet Explorer components on the failing machine.

Legacy Control Deprecation: Microsoft is actively deprecating legacy ActiveX controls. If the control remains unsupported in your current environment, consider migrating to modern alternatives like Office.js.

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Frequently Asked Questions

Why does the Web Browser control work on one computer but not another?

This inconsistency is usually caused by differences in Microsoft Office versions, local Trust Center ActiveX settings, or missing legacy Internet Explorer components on the failing computer.

Are ActiveX controls like the Web Browser control still supported?

Microsoft has been actively restricting or deprecating legacy ActiveX controls in modern Office updates due to security vulnerabilities, which often leads to them being disabled by default.

How do I replace the legacy Web Browser control in Excel?

Developers are encouraged to transition to newer web add-in frameworks, such as Office.js, or utilize Edge WebView2 controls, which offer modern security and better cross-device compatibility.

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