Microsoft recently reminded customers that starting Oct. 13 the company will not support older versions of Office applications connecting to Office 365 and Microsoft 365 services.
In a support document dated July 20, Microsoft listed the applications that will be “supported for connecting to Office 365 (and Microsoft 365) services” such as Exchange Online, SharePoint Online and OneDrive for Business.
Click here for original story, Microsoft points to October end-of-support for older Office apps accessing 365 services
Source: Computer World