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Fix Outlook Report Button Remains After Changing Defender Settings
Question details
The user needs to know how to resolve or manage the classic Outlook ribbon where the default Report button persists despite configuring Defender for a third-party add-in.
- Product
- Microsoft Outlook
- Device & OS
- not provided
- Scenario
- Configuring Microsoft Defender to use a non-Microsoft reporting add-in within the classic Outlook client.
- Observed behavior
- The default Report button remains on the classic Outlook ribbon instead of disappearing or being replaced, due to a known configuration issue.
Ensure your classic Outlook desktop application is updated to the latest version and verify that your third-party reporting add-in is properly deployed via the Microsoft 365 admin center.
Monitor Microsoft Updates for the Known Configuration Issue
Since Microsoft Defender engineering is actively investigating this bug, the primary course of action is to track official support updates as there is no immediate local fix.
Microsoft has identified the persistent Report button on the classic Outlook ribbon as a known configuration issue when utilizing a non-Microsoft reporting add-in.
Currently, there is no immediate configuration change or registry edit you can make locally to force the button's removal. The development team is actively investigating the issue.
Navigate to the official Microsoft support documentation regarding the classic Outlook Report button to read the latest status and workarounds provided by Microsoft Defender engineering.
Check the Microsoft 365 admin center message center regularly for any announcements regarding a patch or fix deployed for this specific classic Outlook ribbon issue.
Regularly check for Office updates by navigating to File > Office Account > Update Options > Update Now to ensure you receive the patch as soon as it is rolled out.
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Frequently Asked Questions
Why does the Report button stay on the classic Outlook ribbon?
This is a known configuration issue identified by Microsoft. It occurs when Microsoft Defender is set up to use a non-Microsoft reporting add-in, causing the default button to persist on the classic client instead of being automatically hidden.
Is there a manual registry fix to remove the Outlook Report button?
Currently, Microsoft has stated there is no immediate fix available, including manual registry edits. It is highly recommended to wait for an official patch from Microsoft Defender engineering to avoid corrupting your Office installation.
Does this issue affect the web version of Outlook?
This specific bug has been identified primarily on the classic Outlook desktop client ribbon. Outlook on the web and the 'New Outlook' handle add-in configurations differently and generally do not exhibit this exact persistent button issue.
