Then they said that “ it will be required to have Office 365 ProPlus (now Microsoft 365 apps for enterprise) or Office perpetual in mainstream support to connect to Office 365 services.” Now they say that they’ll will not take “ any active measures to block older Office clients, such as Office 2013 and Office 2010, from connecting to Office 365 services.” The bite is in the comment that “ legacy clients…may experience performance and reliability issues.” We Told You Things Will Break Microsoft has softened their line a little since 2017. The original end-of-support announcement was in April 2017, so no one should be surprised at this point.

They’ve just republished the notification as MC218020 to remind everyone that the date is approaching and it’s time to act. Microsoft originally published Office 365 notification MC190854 in September 2019 to advise tenants that support will end for Office 2013 client connections to Office 365 applications on October 13, 2020. A Reminder About the Demise of Office 2013

Microsoft office professional plus 2013