Use Claude for Excel changedoffice-agents/excel
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Upstream edited this page at 29 Oct 2026 17:15 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 29 Oct 2026 17:37 UTC.
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219219Data is cached for a number of hours after deletion so users can access
220220context in recently closed workbooks.
221221
222Chat history is stored locally in your browser using IndexedDB.
223Conversations are not stored on Anthropic's servers, are not synced
224across devices, and can be cleared from Settings at any time.
222Chat history is stored locally in your browser using IndexedDB. It is
223not synced across devices and can be cleared from Settings at any time.
225224Reinstalling the add-in or switching between Claude add-ins does not
226225remove it. See [Data storage and retention](https://claude.com/docs/office-agents/data-storage.md)
227226for where it sits on disk and how long it is kept.
227
228When you sign in with a Claude account, the add-in sends your
229conversations to Anthropic, including the content Claude reads from your
230workbook and any files you attach. Clearing chat history removes only
231the copy in your browser. It does not delete the messages or attached
232files that Anthropic keeps.
228233
229234Claude for Excel does not inherit custom data retention settings your
230235organization might have set. Activity is not included in Enterprise
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