I have had the same problem. Outlook worked on July 13th directly with Quickbooks. After following many suggestions all FAILED. I chatted with a contact us person who gave me the settings below for webmail other. It will get the invoice sent out, however you don't see it in your Outlook window. You can go to your Outlook program and see that it gets sent. But you don't get to review it in Outlook prior to sending.
Settings:
outlook.office365.com) and port number is 587 (SSL enabled) > click OKAY after.
I am hoping this will help some of you. I am also hoping Intuit will change it back to the July interface. Maybe if we Yell loud enough they will listen.
