As per Microsoft, starting on October 13, 2020, only these versions of Office will be supported for connecting to Office 365 (and Microsoft 365) services:
- Apps for enterprise (previously named Office 365 ProPlus)
- Microsoft 365 Apps for business (previously named Office 365 Business)
- Office 2019, such as Office Professional Plus 2019
- Office 2016, such as Office Standard 2016
