Use Claude for Outlook changedoffice-agents/outlook
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428428
429429## Chat history
430430
431Chat history is stored locally in your browser using IndexedDB.
432Conversations are not stored on Anthropic's servers and are not synced
433across devices or browsers. You can clear all chat history from Settings
434at any time. The local store is also cleared when you clear your browser
435data. Chat history is specific to the combination of the add-in surface,
436your user ID, and your organization ID, so your Excel and Outlook
437histories are separate. Reinstalling the add-in or switching between
438Claude add-ins does not remove it. See
431Chat history is stored locally in your browser using IndexedDB. It is
432not synced across devices or browsers. You can clear all chat history
433from Settings at any time. The local store is also cleared when you
434clear your browser data. Chat history is specific to the combination of
435the add-in surface, your user ID, and your organization ID, so your
436Excel and Outlook histories are separate. Reinstalling the add-in or
437switching between Claude add-ins does not remove it. See
439438[Data storage and retention](https://claude.com/docs/office-agents/data-storage.md) for where it
440439sits on disk and how long it is kept.
440
441When you sign in with a Claude account, the add-in sends your
442conversations to Anthropic, including the content Claude reads from your
443mailbox and calendar, and any files you attach. Clearing chat history
444removes only the copy in your browser. It does not delete the messages
445or attached files that Anthropic keeps.
441446
442447## Data retention and audit
443448
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