Users accessing their Outlook calendar using some connection methods may see items with incorrect dates and times

Title: Users accessing their Outlook calendar using some connection methods may see items with incorrect dates and times

User impact: Users accessing their Outlook calendar using some connection methods may see items with incorrect dates and times.

More info: This issue specifically affects users accessing their Outlook calendar from Outlook for Mac or the Outlook iOS or Android app. Users viewing their calendar through other connection methods are unaffected.

Current status: The deployment of our fix is taking longer than previously anticipated and has now reached approximately 97 percent of the affected environment. We’re continuing to observe its progress through our telemetry and we’ll provide a resolution timeline once available.

Scope of impact: Any user accessing their Outlook calendar through Outlook for Mac or the Outlook iOS or Android app may be impacted.

Start time: Wednesday, February 14, 2024, at 8:00 AM UTC

Root cause: A recent update to the data pathways responsible for syncing calendar items introduced a code issue that’s preventing all elements of calendar items from syncing as expected within the impact connection methods, leading to impact.

Next update by: Wednesday, March 13, 2024, at 5:30 PM UTC