Outlook 2016 MAC – Mail Merge Issue. Emails stuck in Outbox.

How to fix the issue.

Please follow the steps outlined below to fix the issue “Email stuck in Outbox while using the Mail merge feature”.

• Close Outlook 2016 completely.
• Open Terminal and run the below commands one by one. Make sure to check the case as it is case sensitive.

1. defaults delete com.microsoft.Outlook
2. killall cfprefsd

• Open the Outlook, check the mail merge and it should be working

please let me know with your comments, If this works or not. I would love to help.