Applies ToOutlook for Microsoft 365 for Mac Outlook 2024 for Mac Outlook 2021 for Mac

When you're online and email works normally, you won't see the Outbox. The Outbox appears at the top of the sidebar only when messages are waiting to be sent.

Outbox

Tip: If you don't see the sidebar, click View > Sidebar.

If email continues to sit in your Outbox, you might be offline. To check, select the Tools tab, and move the slider to Online.

Offline/Online slider on the Tools tab

See Also

Cannot send my email message

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.