check before: 2025-10-06
Product:
Entra, Microsoft 365 Apps, Outlook, Purview Communication Compliance
Platform:
Android, mobile, Online, World tenant
Status:
Change type:
User impact, Retirement
Links:
Details:
Summary:
The Outlook Lite app will retire starting October 6, 2025, blocking new installs and requiring users to switch to the Outlook Mobile app, which offers enhanced features, security, and Microsoft 365 integration. No manual data migration is needed, and admins have control via Entra ID.
Details:
[Introduction]
The Outlook Lite app will be retired starting October 6th, 2025. After this date, new installations will be blocked. Existing users can continue using the app for a limited time before full retirement. The Outlook Lite app is being retired so we can focus our investments on the Outlook Mobile app, our flagship Android experience, which provides better functionality and user experience. We recommend transitioning to the Outlook Mobile app, where ongoing development and support will continue.
[When this will happen]
Retirement begins: October 6th, 2025
Full retirement: Expected within a few months after retirement
Change Category:
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Scope:
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Release Phase:
Created:
2025-09-06
updated:
2025-09-06
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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MS Urgency
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MS workload name
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summary for non-techies**
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Direct effects for Operations**
Loss of Access to Outlook Lite App
Users currently relying on the Outlook Lite app will lose access to the app after retirement, impacting their email communication.
- roles: End Users, IT Support
- references: https://support.microsoft.com/office/outlook-for-ios-and-android-faq-65a01e26-e3c2-4067-bd05-0db6220e5c34
Transition to Outlook Mobile App
Users will need to transition to the Outlook Mobile app, which may lead to confusion and temporary disruption in email access during the switch.
- roles: End Users, IT Support
- references: https://support.microsoft.com/office/outlook-for-ios-and-android-quick-start-91a3fc25-3ba2-48cc-8257-805fd6892749
Data Access Concerns
Users may be concerned about data access and continuity during the transition, despite no manual migration being required.
- roles: End Users, Compliance Officers
- references: https://support.microsoft.com/office/outlook-for-ios-and-android-faq-65a01e26-e3c2-4067-bd05-0db6220e5c34
Compliance and Security Features
The retirement of Outlook Lite may lead to a temporary lack of compliance features that are not supported in the Lite app, affecting data protection.
- roles: Compliance Officers, IT Security
- references: https://support.microsoft.com/office/outlook-for-ios-and-android-faq-65a01e26-e3c2-4067-bd05-0db6220e5c34
User Training and Documentation Needs
There will be a need for updated training and documentation to assist users in transitioning to the Outlook Mobile app, which may not be readily available.
- roles: End Users, Training Coordinators
- references: https://support.microsoft.com/office/outlook-for-ios-and-android-quick-start-91a3fc25-3ba2-48cc-8257-805fd6892749
Configutation Options**
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Potentional Risks**
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IT Security**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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Last updated 4 weeks ago ago
