check before: 2026-05-25
Product:
Entra, Microsoft 365 Apps, Outlook, Purview Communication Compliance, Purview Data Loss Prevention
Platform:
Android, iOS, mobile, Online, World tenant
Status:
Change type:
User impact, Admin impact, Retirement
Links:
Details:
Summary:
The Outlook Lite app for Android will be fully retired on May 25, 2026, disabling mailbox access but allowing app launch. Users should switch to Microsoft Outlook Mobile, which supports all mailbox features and compliance capabilities. No admin action is required, but users should be notified to transition.
Details:
[Introduction]
We will complete the retirement of the Microsoft Outlook Lite app on Android on May 25, 2026. As previously communicated in MC1148534, Outlook Lite will be retired as part of our broader effort to reduce overlap and focus development and support on Microsoft Outlook Mobile, our primary mobile email experience. After this change, Outlook Lite will no longer provide functional access to mailbox features.
[When this will happen]
October 6, 2025: New installations of the Outlook Lite app were blocked.
May 25, 2026: Outlook Lite will be fully retired and will no longer provide mailbox functionality for existing users.
Change Category:
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Scope:
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Release Phase:
Created:
2026-04-11
updated:
2026-04-11
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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linked item details
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summary for non-techies**
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Direct effects for Operations**
Loss of Mailbox Access
After May 25, 2026, users will be unable to access their mailbox through the Outlook Lite app, leading to potential disruption in email communication.
- roles: End Users, Support Staff
- references: https://support.microsoft.com/office/outlook-for-ios-and-android-quick-start-91a3fc25-3ba2-48cc-8257-805fd6892749, https://support.microsoft.com/office/outlook-for-ios-android-faqs-820ab229-529c-4e41-b227-b5dda358bfd4
User Experience Degradation
Users relying on Outlook Lite will experience a sudden loss of functionality, which may lead to frustration and decreased productivity until they transition to Outlook Mobile.
- roles: End Users, IT Support
- references: https://support.microsoft.com/office/outlook-for-ios-and-android-quick-start-91a3fc25-3ba2-48cc-8257-805fd6892749, https://support.microsoft.com/office/outlook-for-ios-android-faqs-820ab229-529c-4e41-b227-b5dda358bfd4
Compliance Feature Loss
Outlook Lite does not support Purview features such as Data Loss Prevention (DLP), which will be unavailable to users after the app's retirement, impacting data security measures.
- roles: Compliance Officers, End Users
- references: https://support.microsoft.com/office/outlook-for-ios-and-android-quick-start-91a3fc25-3ba2-48cc-8257-805fd6892749, https://support.microsoft.com/office/outlook-for-ios-android-faqs-820ab229-529c-4e41-b227-b5dda358bfd4
Increased Support Requests
The transition from Outlook Lite to Outlook Mobile may lead to an increase in support requests as users seek assistance with the new app, straining IT resources.
- roles: IT Support, Helpdesk Staff
- references: https://support.microsoft.com/office/outlook-for-ios-and-android-quick-start-91a3fc25-3ba2-48cc-8257-805fd6892749, https://support.microsoft.com/office/outlook-for-ios-android-faqs-820ab229-529c-4e41-b227-b5dda358bfd4
Training and Documentation Needs
Internal documentation and training materials will need to be updated to reflect the retirement of Outlook Lite and the use of Outlook Mobile, requiring additional resources.
- roles: Training Coordinators, IT Managers
- references: https://support.microsoft.com/office/outlook-for-ios-and-android-quick-start-91a3fc25-3ba2-48cc-8257-805fd6892749, https://support.microsoft.com/office/outlook-for-ios-android-faqs-820ab229-529c-4e41-b227-b5dda358bfd4
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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