This can be seen in the bottom right corner of the Outlook panel. Reason & Workaround to Send Emails Stuck In Outboxġ.) No Connectivity With Mail Server:- The foremost thing that s user needs to check is whether Outlook is connected to the mail server or not. This blog enlists all the scenarios when this happens and the workarounds to overcome this issue and send the emails stuck in Outbox folder. User writes a mail, sends it, but it is getting stuck in the Outbox folder and Outlook is not processing it further. Have tried the same with Outlook 2016 but the issue is still seen. Is the issue seen only for shared mailbox - No Have also referred many web based articles and have tried different steps but to no luck. We did run captures and did not see anything alarming. Change the value of DelegateSentItemsStyle to 0 in the registry - This can be tried.ħ. Symantec Endpoint Protection Outlook Add-On causing this problem.Ĥ. Check if “Send Immediately” is enabled in Advanced settings.ģ.
But when i try the same using a browser or even online mode it goes out instantly.ġ. The email sits in my outbox for about 5 min before going out. Facing slowness while sending emails using cached mode in my outlook client.