Microsoft Exchange Online service change causes email access issues

Microsoft is working to address an ongoing service issue that has intermittently prevented some users from accessing their cloud-based Exchange Online mailboxes via Outlook mobile and Mac desktop clients since Thursday. [...]

https://www.bleepingcomputer.com/news/microsoft/new-exchange-online-virtual-account-blocks-email-access-via-mobile-mac-apps/

Posted from: this blog via Microsoft Power Automate.