# WorkOS: Degraded Email Delivery to Microsoft Outlook Inboxes

> WorkOS status incident “Degraded Email Delivery to Microsoft Outlook Inboxes” on 2026-01-22: impact minor (vendor’s label), 16 h, 2 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/workos/incidents/fnv3vmphcyhs
Last updated: 2026-01-23T15:16:22Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-01-22 23:44 UTC · Resolved: 2026-01-23 15:16 UTC · Duration: 16 h
- Updates: 2 · Affected components: AuthKit, Core Services - AuthKit
- [Vendor status page: https://stspg.io/ynv6gw171pqf](https://stspg.io/ynv6gw171pqf)
- [Company: WorkOS](https://rewindex.com/company/workos.md)

## Timeline of updates

- **monitoring** 2026-01-22 23:44 UTC: We are experiencing degraded delivery of outbound emails from WorkOS to Outlook and Microsoft 365 inboxes. Some messages may be delayed or not delivered. Delivery to non-Outlook providers is unaffected. We are monitoring the situation and will share updates as they become available.
- **resolved** 2026-01-23 15:16 UTC: The issue impacting outbound email delivery to Outlook and Microsoft 365 inboxes has been resolved. Delivery is now operating normally across all providers.

## Cite this

Status incident (vendor impact label: minor) posted by WorkOS, started 2026-01-22 23:44 UTC, resolved after 16 h, 2 update(s).

- Canonical URL: https://rewindex.com/company/workos/incidents/fnv3vmphcyhs
- Citation: WorkOS, “Degraded Email Delivery to Microsoft Outlook Inboxes” (2026-01-22 23:44 UTC). Archived by Rewindex: https://rewindex.com/company/workos/incidents/fnv3vmphcyhs (CC BY 4.0).
- Markdown link: `[WorkOS: Degraded Email Delivery to Microsoft Outlook Inboxes (2026-01-22)](https://rewindex.com/company/workos/incidents/fnv3vmphcyhs)`


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Canonical: https://rewindex.com/company/workos/incidents/fnv3vmphcyhs · Markdown: https://rewindex.com/company/workos/incidents/fnv3vmphcyhs.md · JSON: https://rewindex.com/api/v1/companies/workos/incidents/fnv3vmphcyhs · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:05:30.646Z