Microsoft has begun disabling Exchange Web Services in Exchange Online, disrupting native macOS Mail sync for work accounts. Here is what Mac users need to know.
https://macbreeze.com/microsoft-exchange-web-services-macos-mail-sync/

Microsoft has begun disabling Exchange Web Services in Exchange Online, disrupting native macOS Mail sync for work accounts. Here is what Mac users need to know.
https://macbreeze.com/microsoft-exchange-web-services-macos-mail-sync/