If you require assistance from our support member in resolving the Outlook Not Connecting To Office 365 Mac problem, click the Call button provided on this web page.If not, remove the Office 365 account from the Outlook application and then re-add it with the correct server settings.Check if the Outlook cannot connect to Office 365 Mac problem is resolved.Navigate to the Directory Service section and then select the checkbox beside the Use SSL to connect option.
Read the Knowledge Base article on How Do I Configure Directory Service In Outlook For Mac for instructions. To perform Global Address List lookups, you need to configure Directory Service. The account is now set up and you can use it to send and receive email. Mac: Excel, One Note, Outlook, PowerPoint, Word.