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Office 365, Email, Outlook, Messages aren't sent and appear in outbox folder

Sent messages in Microsoft Outlook are appearing in the Outbox folder instead of the normal sent mail folder. This is accompanied by a message saying that the messages were not sent. This sometimes happens when Outlook loses internet connection while attempting to sync messages, but there are some Outlook features that produce this behavior as well.

Send immediately when connected

In Outlook's main window, click the File tab in the top ribbon.

In the lefthand pane of the File page that appears (with the heading Account Information), click Options close to the bottom.

In the Outlook Options window that appears, select Advanced on the lefthand pane.

Under the "Send and receive" heading, make sure the "Send immediately when connected" box is checked.

Work Offline

In Outlook's main window, click the Send / Receive tab in the top ribbon.

Make sure that the "Work Offline" button in the Preferences group is not highlighted, and that "Connected to: Microsoft Exchange" appears in the status bar at the bottom of the main Outlook window.



KeywordsOutlook outbox not sent email offline   Doc ID49636
OwnerOffice 3.GroupUniversity of Illinois Technology Services
Created2015-03-26 16:32:47Updated2022-04-11 13:03:32
SitesUniversity of Illinois Technology Services
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