Microsoft will retire its Outlook Lite app for Android on May 25, 2026. After this date, the app will still launch, but functionality will be limited, with mailbox access disabled. Users are encouraged to switch to the full Outlook app to maintain access to their emails and calendar items, as user accounts will not be deleted or disabled. An “Upgrade” option in the Lite app will direct users to the Outlook page on Google Play. Alternative email applications like Proton Mail and Gmail are also available for users who do not wish to use the full Outlook app.