Outage in Superhuman

Degraded Service for Personal Outlook Calendars

Resolved Minor
June 03, 2025 - Started 5 months ago - Lasted 21 days
Official incident page

Incident Report

We have identified a error in MSGraph responses impacting Calendars for Personal Outlook accounts. The underlying error is also reported here. https://learn.microsoft.com/en-us/answers/questions/2279133/getting-500-response-errors-to-get-me-calendars-al This error is causing calendars to fail to sync in Superhuman for users with Personal Outlook Calendars/Accounts. Gmail calendars are un-impacted. We are monitoring the bug from MSGraph and reviewing potential workarounds.
Components affected
Superhuman

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Latest Updates ( sorted recent to last )
RESOLVED 4 months ago - at 06/24/2025 03:08PM

The fix has been implemented and released on Microsoft's end, and we are seeing sync events for Personal Outlook accounts return to normal. We will continue to monitor for the next 24hrs, but believe this issue is resolved.

MONITORING 4 months ago - at 06/13/2025 07:39PM

Microsoft has implemented a fix on their end, but this fix has not yet been released publicly.
Superhuman users with Personal Outlook Calendars/Accounts will continue to see degraded performance for calendar syncing.

We are continuing to monitor.

MONITORING 5 months ago - at 06/04/2025 06:39PM

Microsoft has identified the problem on their end, a fix is anticipated sometime on Friday, June 6.

We have implemented a few minor workarounds to minimize the impact on Superhuman's calendar features.
None-the-less, users with Personal Outlook Calendars/Accounts will continue to see degraded performance for calendar syncing.

We are continuing to monitor.

INVESTIGATING 5 months ago - at 06/03/2025 10:08PM

We have identified a error in MSGraph responses impacting Calendars for Personal Outlook accounts.
The underlying error is also reported here. https://learn.microsoft.com/en-us/answers/questions/2279133/getting-500-response-errors-to-get-me-calendars-al

This error is causing calendars to fail to sync in Superhuman for users with Personal Outlook Calendars/Accounts.
Gmail calendars are un-impacted.

We are monitoring the bug from MSGraph and reviewing potential workarounds.

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