Support for Office for Mac 2019 has ended You can review our products’ lifecycle here. Microsoft will not actively block these clients from connecting to Microsoft 365 services as long as they are in extended support and are kept up to date.As a result, users could experience performance or reliability issues even if they can connect these versions of Office to Microsoft 365.

Implications for your organization: Customers using these versions of Office may experience performance or reliability issues when accessing Microsoft 365 services. If your organization is still using these versions to access Microsoft 365 services such as Exchange Online, SharePoint Online, and OneDrive for Business, it is important that you take action. Support for Office 2016, Office 2019 clients connecting to Microsoft 365 services ended on Octo(previously shared in older posts).

Support for Office 20 clients connecting to Microsoft 365 services has ended