If you want to make your environment more secure, it's recommended to disable Legacy Authentication in Microsoft 365. Check this post to know how to do the same.

For those unaware, Microsoft Office Online Server was a self-hosted version of Microsoft’s web-based Office apps: Word, Excel ...

Microsoft 365 experienced a major outage earlier today that left thousands of users unable to access Teams and Exchange Online.

Microsoft is investigating an ongoing incident that is preventing some customers from accessing Microsoft 365 applications.