Hi DJHR0105, I’d like to confirm whether you have tried configuring the Office 365 account to the Outlook 2016 for Mac client via Other Account > IMAP. If yes, we recommend you configure it via Exchange (automatically). What add ins are available for excel 2011 for mac. Meanwhile, the default port of SMTP is 587. If you still want to configure the account via IMAP, please modify it and see if you can configure it to the client successfully. If you want to configure Outlook.com account to the Outlook for Mac client, you can refer to the article by clicking the link below: Thanks, Gary.

Cannot connect Outlook Email to my client's account - 365 Office for Mac 2016 A client set me up an Office 365 email address, I tried to add the account to my Outlook 365 Mac 2016 version using the following. Clone imac to new ssd.