[office365] Office channels offline preventing emails being sent or received

Incident Report for Front

Update

Front is continuing to partner with Microsoft to investigate the channel sync failures. The next update will be within the next 6 hours. Manually re-authorizing the channel in Front's channel settings has worked in some cases, but not all. Please contact support@front.com for assistance.
Posted May 29, 2026 - 10:42 UTC

Update

Front is continuing to partner with Microsoft to investigate the channel sync failures. The next update will be within the next 8 hours. Manually re-authorizing the channel in Front's channel settings has worked in some cases, but not all. Please contact support@front.com for assistance.
Posted May 29, 2026 - 02:05 UTC

Update

Front is partnering with Microsoft to investigate the channel sync failures and will continue to update here as we make progress. Manually re-authorizing the channel in Front's channel settings has worked in some cases, but not all. Please contact support@front.com for assistance.
Posted May 28, 2026 - 23:36 UTC

Update

Front continues to investigate paths to restore access for affected Office365 channels. Office reports internal errors, which we are trying to work around.
Posted May 28, 2026 - 19:35 UTC

Identified

We are attempting a mitigation step to get impacted channels back online.
Posted May 28, 2026 - 18:57 UTC

Investigating

We are currently investing an issue where a subset of customers are seeing offline O365 channels.
Posted May 28, 2026 - 18:24 UTC
This incident affects: O365.