Block Third-Party App Access in Microsoft 365 Tenants

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Updated:October 22, 2025
Document ID:225258

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Contents

Introduction

This document describes how to control and revoke third-party app access in Microsoft 365 tenants using the Third-Party Apps Control feature.

Overview

Third-Party Apps report enables you to block and revoke authorization for risky plug-ins and extensions with OAuth-based access to your Microsoft 365 tenant. This helps you reduce risk by removing unauthorized or potentially harmful apps from your environment.

Access the Third-Party Apps Report

To view and manage third-party app authorizations:

  • In the Umbrella dashboard, go toReporting > Additional Reports > Third-Party Apps.

Block Authorization for a Third-Party App

When you block a third-party app in the report:

  • All existing authorizations for that app are revoked.
  • Users are prevented from authorizing the app in the future.

Unblock App Authorization

You can unblock specific apps at any time:

  • Remove the block on a specific app to allow users to authorize it again.

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Related Resources

Refer to Umbrella documentation for additional guidance:

Revision History

Revision Publish Date Comments
1.0
22-Oct-2025
Initial Release
TAC Authored

Contributed by Cisco Engineers

  • TAC

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