Update mdo-data-retention.md

Author: denisebmsft

defender-office-365/mdo-data-retention.md

@@ -5,14 +5,16 @@ f1.keywords:
 ms.author: dansimp
 author: dansimp
 manager: deniseb
-ms.date: 6/15/2023
+ms.date: 05/08/2025
 audience: ITPro
 ms.topic: conceptual
 ms.service: defender-office-365
 ms.localizationpriority: medium
 ms.collection:
 - m365-security
 - tier2
+- essentials-compliance
+- essentials-security
 ms.custom:
 description: Admins can learn how long Defender for Office 365 features retain data.
 search.appverid: met150