Important: Outlook Mobile will be retiring the Play My Emails feature in June 2024. To learn more, see End of support for Cortana.
By default, emails are marked as read. You can use the voice command "Mark as unread" or use a custom swipe option to mark an individual message as unread.
To customize how your messages are marked:
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Open Outlook Mobile Settings.
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Select Play My Emails.
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Under Mark Emails As, select Unread or Read.
