Encrypt in Outlook (IRM Error) (opens in new tab)

--- layout: Conceptual title: Activating the Azure Rights Management encryption service from Microsoft Purview Information Protection | Microsoft Learn canonicalUrl: breadcrumb_path: /purview/breadcrumb/toc.json feedback_system: Standard uhfHeaderId: MSDocsHeader-Purview f1.keywords: - NOCSH ms.author: kreagle author: k-reagle ms.reviewer: tommoser manager: laurawi ms.date: 2025-08-25T00:00:00.0000000Z audience: Admin ms.topic: how-to ms.service: purview ms.subservice: purview-encryption ms....