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HomeDocsClaude Documentation 16 Oct 2026
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Core concepts changedclaude-science/core-concepts

Nearest release: v2.1.302, 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 16 Oct 2026 17:16 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 22 Oct 2026 18:07 UTC.

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1010 
1111## Files stay on your computer
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13Claude reads and writes files in place, in the folders you grant. Anthropic doesn't host or store your files; file content that Claude reads to answer a prompt is sent to Anthropic as part of the conversation, and Anthropic retains it as [How Claude Science works with your data](/docs/claude-science/how-claude-science-works-with-your-data) describes. If you sign in to Claude Science on a different computer, your files, artifacts, and conversation history don't follow you there. See [Use Claude Science on more than one computer](/docs/claude-science/multiple-computers) for what your account does carry between computers.
13Claude reads and writes files in place, in the folders you grant. Anthropic doesn't host or store your files; file content that Claude reads to answer a prompt is sent to Anthropic as part of the conversation, and Anthropic retains it as [How Claude Science works with your data](/docs/claude-science/how-claude-science-works-with-your-data.md) describes. If you sign in to Claude Science on a different computer, your files, artifacts, and conversation history don't follow you there. See [Use Claude Science on more than one computer](/docs/claude-science/multiple-computers.md) for what your account does carry between computers.
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1515The one exception to working in place is **Attach files** in the composer: attached files are copied into the application's local data folder so they stay with the conversation.
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3535All standing grants are listed in Settings > Permissions and can be revoked there.
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37On Linux, a uv, conda, mamba, or pixi environment in a folder you've granted **Read & write** can still be read-only to Claude. See [Environments in granted folders](/docs/claude-science/tools-and-environments#environments-in-granted-folders).
37On Linux, a uv, conda, mamba, or pixi environment in a folder you've granted **Read & write** can still be read-only to Claude. See [Environments in granted folders](/docs/claude-science/tools-and-environments.md#environments-in-granted-folders).
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3939## Plans
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5555Saved facts are stored in the app's local database on your computer; they aren't synced to Anthropic. The Memory settings page lists every saved fact. You can edit, delete, add, or clear facts there. A per-session toggle in the session settings menu turns memory off for that session only.
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57Facts Claude recalls for a session are sent to Anthropic as part of that session's conversation, and Anthropic retains them as [How Claude Science works with your data](/docs/claude-science/how-claude-science-works-with-your-data) describes. On Team and Enterprise plans, your organization's admin can turn memory off for the organization. Memory is then off for you whatever you chose, and your saved facts stay on your computer, where you can still review and delete them (see [Memory](/docs/claude-science/admin-controls#memory) in the admin controls).
57Facts Claude recalls for a session are sent to Anthropic as part of that session's conversation, and Anthropic retains them as [How Claude Science works with your data](/docs/claude-science/how-claude-science-works-with-your-data.md) describes. On Team and Enterprise plans, your organization's admin can turn memory off for the organization. Memory is then off for you whatever you chose, and your saved facts stay on your computer, where you can still review and delete them (see [Memory](/docs/claude-science/admin-controls.md#memory) in the admin controls).
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5959## Composer shortcuts
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