Microsoft Outlook Mobile adds support for DLP policy tips and enforcement

1. 6 Apr 2026

   Updated March 9,April 6, 2026: We have updated the content.timeline. Thank you for your patience. Introduction The Outlook Mobile team is updating … Production Build App Store Release for Android and iOS: We are targeting April 6thMay 4th to submit to the app store, and on average it can take …

2. 9 Mar 2026

   Updated March 2,9, 2026: We have updated the timeline.content. Thank you for your patience. Introduction The Outlook Mobile for iOS and Android will soon support team is updating the release for Data Loss Prevention (DLP) policy tips and enforcement. This update helps users avoid accidental data leaks by providing inline alerts or pop-ups when sensitive content is detected—based on admin-configured DLP rules.Policy Tips & Override for Outlook Mobile. A number of improvements have been made to the initial scope of this rollout, along with some unforeseen challenges that will be listed in detail. This enhancement brings DLP behavior in Outlook Mobile in line with Outlookmessage is associated with Microsoft 365 Roadmap ID 496146. When this will happen Production Build App Store Release for desktopAndroid and web, ensuring consistent compliance enforcement across platforms. This message is associated with Microsoft 365 Roadmap ID 496146. When this will happen General Availability: We will start rolling out April 6, 2026.iOS: We are targeting April 6th to submit to the app store, and on average it can take up to a week for Apple and Google to then distribute that build via the App Stores. How this affects your organization With this update, organizations using Microsoft PurviewThe following updates have been made to this DLP policies will see those policies enforced in Outlook Mobile. When users attempt to send messages containing sensitive information—such as credit card numbers or national IDs—they will receive policy tips or blocking dialogs, dependingrollout for Outlook Mobile: added Custom oversharing dialog support added Custom policy information added Policy tip evaluation performance improvements added Attachment scanning added Intune control for Android and iOS to turn Data Leak Prevention on how the policyor off (default is configured. This change enhances your organization’s data protection posture and supports regulatory compliance. If DLP policiesset to OFF) temporarily removed External recipient rule validation Due to unique challenges with external recipient rule validation we are already in place for Outlook desktop or web, no additional configuration is required. The feature is on by default and requires no admin actionremoving External Recipient rule validation from this release pending changes to the implementation. After feedback we have added an Intune control that is defaulted to enable. What you can do to prepare What you can do to prepare Review existingOFF to give your organization the opportunity for validation and user training prior to enabling DLP policies in Microsoft Purview to ensure they are scoped to include mobile clients. No new policies are required if DLP is alreadyon Android and iOS. Documentation links for "DLP on Android and iOS" and "Intune controls for DLP in Mobile" will be provided in use for Outlook desktop or web. No additional licensing is needed beyond what is alreadyan update soon. What you can do to prepare Please prepare to validate your organization's rules in place for Microsoft Purview DLP. Find more on this topic: Learn about data loss prevention. Compliance considerations Compliance Area Explanation DLP policies or enforcement This release introduces DLP enforcement in Microsoft Outlook Mobile.a test environment prior to enabling Data Leak Prevention on Mobile, and where possible provide training for users which can greatly improve their success and overall experience with policy tips and rules.

3. 2 Mar 2026

   Updated September 29, 2025: After further review, we need to roll this back. We apologize March 2, 2026: We have updated the timeline. Thank you for any inconvenience.your patience. Introduction Outlook Mobile for iOS and Android will soon support Data Loss … is associated with Microsoft 365 Roadmap ID 496146. When this will happen General Availability: We will communicate via Message center when we are ready to proceed.start rolling out April 6, 2026. How this affects your organization With this update, organizations using Microsoft Purview …

4. 29 Sep 2025

   Updated August 7,September 29, 2025: We have updated the timeline. Thank youAfter further review, we need to roll this back. We apologize for your patience.any inconvenience. Introduction Outlook Mobile for iOS and Android will soon support Data Loss … is associated with Microsoft 365 Roadmap ID 496146. When this will happen General Availability rollout We will begin in early August 2025 (previously mid-August) and is expected communicate via Message center when we are ready to complete by early September 2025.proceed. How this affects your organization With this update, organizations using Microsoft Purview …

5. 7 Aug 2025
   • Tags Feature update → Updated message, Feature update

   Updated August 7, 2025: We have updated the timeline. Thank you for your patience. Introduction Outlook Mobile for iOS and Android will soon support Data Loss … ID 496146. When this will happen General Availability rollout will begin in mid-Augustearly August 2025 (previously mid-August) and is expected to complete by early September 2025. How this affects …

6. 5 Aug 2025 · first version seen

• Roadmap · www.microsoft.com

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