[German]Currently, there is are issues with Microsoft 365 that affects services such as Exchange Online. It is possible that this disruption is limited to North America. The status messages do not give much away.
The Microsoft 365 social media team has only announced the disruption on Twitter. Since around 2:00 a.m. German time, Microsoft engineers have been investigating reports of access issues affecting multiple Microsoft 365 apps and services.
Microsoft 365: issues Jan. 15, 2021
There is an issue that can cause degradation of service functionality for multiple Microsoft 365 services. For more details, see MO234433. The issue mainly affects access to Exchange Online online services. More details are provided at MO234433. In this tweet, someone is referring the disruption to North America. Someone affected.