Microsoft Outlook error 0x8004210A, 0x8004210B

If you're getting one of these errors in Microsoft Outlook (0x8004210A, 0x8004210B), you should first try rebooting your computer, as this usually fixes any issues with Outlook.

If you continue to receive this error message, you will need to disable the email scanning portion of your anti-virus program (at least on outgoing mail).

Add Feedback