Over time, these Office clients may encounter performance or reliability issues. Impact of using older Office clients to connect to Microsoft 365 servicesĪfter October 13, 2020, ongoing investments to our cloud services will not take into account older Office clients. But these older clients may encounter performance or reliability issues over time.

We won’t take any active measures to block other versions of the Office client that are still supported and are up to date, such as Office 2013 with Service Pack 1, from connecting to Microsoft 365 services.