Microsoft 365 Quarterly Uptime Number Sinks to New Low

According to Microsoft, the Microsoft 365 uptime performance for Q1 CY2026 was 99.526%. That’s the lowest uptime figure since we started to record data in 2013. The first thing that people might ask is whether this performance means that Microsoft has to pay out under the terms of its financially backed SLA. The answer is no. All explained in the article.

https://office365itpros.com/2026/04/22/microsoft-365-uptime/