Anthropic experienced a notice incident on July 22, 2026, lasting 1d 21h. The incident has been resolved; the full update timeline is below.
Update timeline
- identified Jul 22, 2026, 05:56 PM UTC
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
- resolved Jul 24, 2026, 03:36 PM UTC
This issue has been resolved.