Thanks for posting and joining this thread, @SG42.
I'd like to reiterate the steps that my colleagues mentioned. We need to double-check that the settings are right.
If this happens again, I'd suggest contacting our Technical Support Team. They can go over the information with you and offer you other troubleshooting options. You can contact them using the following link: Contact QuickBooks Desktop support.
I've also added a few articles that can assist you in resolving frequent webmail and Outlook issues with QuickBooks Desktop:
If you need more assistance with any other QuickBooks-related chores, you can always reach me here. Have a wonderful day ahead of you.
