A recent investigation by Microsoft has uncovered a new 365 outage affecting Teams customers worldwide. This disruption is causing significant issues, including call failures, which can have serious consequences for businesses and individuals who rely on this service for communication and collaboration. The causes of this outage are currently being investigated, but potential explanations include server errors or cyber attacks. Once identified, these root causes must be addressed to prevent similar incidents in the future. This could involve strengthening security measures, improving infrastructure resilience, and enhancing monitoring and detection capabilities. Microsoft is taking immediate action to rectify the situation and minimize downtime for affected customers. The company's response will focus on restoring service as quickly and reliably as possible, while also working to understand the causes of the outage and implementing preventative measures to prevent similar incidents in the future.