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jakub1's avatar
jakub1
Copper Contributor
Jul 06, 2026

New Outlook missing sended message

In new outlook (in browser and also in desktop app) is missing mail message which was sended at 11:34, 7.6.2026. I see this message only in Message Tracing in Exchange, but in outlook nothing, is missing. I tried Sync, refresh (F5), clear cache (Ctrl+F5), change viewing of messages (like a conversations, separatelly). I need the correct working of outlook. Is very bad, when sended messages is not showing. Please help with solution.

2 Replies

  • That usually points to a sync or client issue rather than the email not being sent, especially if Message Trace confirms delivery. Check whether the message was moved by a rule, sent from a shared mailbox or alias, or if the Sent Items folder is filtering anything. If it happens in both Outlook on the web and the desktop app, Open a Microsoft support ticket because that's not expected behavior.

  • Checked the Deleted Items folder and the Recovery folder of the Deleted Items folder already?

    In case this mailbox has granted someone Send As or Send on Behalf Of permissions without setting the option to create a copy in the Owner mailbox, then the sent message will only show up in the Sent Items folder of the actual sender.

    If you have this level of auditing enabled within your tenant, querying the Audit Log can also reveal what happened to the message.