Office versions and connectivity to Office 365 services

As of October 13, 2020, only these versions of Office are supported for connecting to Office 365 (and Microsoft 365) services:

• Microsoft 365 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

Examples of Office 365 services include Exchange Online, SharePoint Online, and OneDrive for Business.

For Microsoft 365 Apps, you must be using a supported version. For a list of which versions are currently supported, see below:

https://docs.microsoft.com/en-us/officeupdates/update-history-microsoft365-apps-by-date 

Important

We won’t take any active measures to block other versions of the Office client, such as Office 2013, from connecting to Office 365 services, but these older clients may encounter performance or reliability issues over time.

For more details, refer to the below:

https://docs.microsoft.com/en-us/deployoffice/endofsupport/office-365-services-connectivity