Work across M365 apps changedoffice-agents/work-across-apps
Nearest release: v2.1.316, published under an hour before upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
Upstream edited this page at 31 Oct 2026 01:01 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 31 Oct 2026 01:07 UTC.
Upstream edited
Recorded here
Lines+4added
Lines−7removed
From line
4
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits9to this page, all time
The whole hunk
from line 4, old and new numbered
/
from line 4
44
55> [!WARNING]
66>
7> After the September and October 2026 Microsoft 365 updates for Windows, the
8> Claude add-in can open on new, empty storage, so earlier chat history and
9> uploaded skills stop appearing. They are still on the device, so don't clear
10> the Office add-in cache, which deletes them. Anthropic is working with
11> Microsoft on this. In the meantime, see
12> [Chat history and skills missing after a Microsoft 365 update on Windows](https://claude.com/docs/office-agents/data-storage.md#chat-history-and-skills-missing-after-a-microsoft-365-update-on-windows)
13> for what you and your IT team can do.
7> After the September and October 2026 Microsoft 365 updates on Windows, some
8> users are missing their chat history and uploaded skills in the Claude add-in.
9> Anthropic is working with Microsoft to solve this issue. In the meantime, see
10> [what you and your IT team can do](https://claude.com/docs/office-agents/data-storage.md#chat-history-and-skills-missing-after-a-microsoft-365-update-on-windows).
1411
1512Claude can coordinate between the Excel, PowerPoint, Word, and Outlook
1613add-ins in your Microsoft 365 suite. Instead of switching between apps
No line in this hunk matches that.