# All-in-One: Microsoft Outage Causing Delays in M365 Email and Calendar Sync

- Provider: [Ashby](https://down.guide/ashby)
- Level: confirmed
- Impact: Degraded
- lasted 15h 16m
- started 2026-01-22 22:00 UTC
- Microsoft 365
- id: DWN-ee9d9b02ff
- Official page: https://stspg.io/vvbkpd5hf0gs

## Updates from Ashby
### 2026-01-22 22:00 UTC: identified
We have identified an issue with the upstream provider that is causing delays in syncing information.

### 2026-01-23 05:10 UTC: monitoring
We are seeing improved performance and will continue to monitor.

### 2026-01-23 13:16 UTC: resolved
This incident has been resolved.

---
down.guide reads providers' official status pages every minute and adds its own evidence, always labeled. Free, no account. Agents: MCP at https://down.guide/mcp, REST at https://down.guide/api/v1, feeds at https://down.guide/feed. Built by Sazabi (https://sazabi.com/?utm_source=down-guide&utm_medium=markdown).
