Incident report · read from Anthropic's status page

Anthropic incident: Microsoft Office add-in availability

Resolved after 1 d 21 h (22 Jul 2026 17:56 – 24 Jul 2026 15:36 UTC), impact none.

Timeline

1. 22 Jul 2026 at 17:56 UTC identified

   Users who installed the following add-ins may experience issues accessing the add-in functionality: Claude by Anthropic for PowerPoint, Claude by Anthropic for Word, and Claude by Anthropic for Excel. To regain immediate access to Claude for Microsoft 365, install the add-in here: https://marketplace.microsoft.com/en-us/product/office/wa200010725

2. 24 Jul 2026 at 15:36 UTC resolved

   This issue has been resolved.

Source

Anthropic's own report of this incident, on Anthropic's status page. This page is a record of Anthropic's own report; where the two disagree, theirs is right.

Last checked 8 Sep 2026 at 16:19 UTC.

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