Claude Cowork on macOS: The Research Preview That Gives AI Access to Your Local Files
Claude Cowork grants AI access to local folders on macOS, enabling genuine task completion rather than just conversation — available as a research preview for Max users.
AI That Touches Your Files
Claude Cowork arrived as a research preview on macOS, granting Claude something other chatbots don't have: access to your local file system.
What Cowork Can Access
With user permission, Cowork can:
- Read files in designated folders
- Create new files — documents, spreadsheets, presentations
- Edit existing files — modify content, fix formatting
- Organize files — rename, move, and sort
- Analyze file contents — process data, extract insights
How It Differs from Chat
| Feature | Claude Chat | Claude Cowork |
|---|---|---|
| Answer questions | ✓ | ✓ |
| Local file access | ✗ | ✓ |
| Task completion | ✗ | ✓ |
| Plugin ecosystem | ✗ | ✓ |
| Scheduled tasks | ✗ | ✓ |
| Enterprise connectors | ✗ | ✓ |
Safety Design
Cowork requires explicit user authorization for file access. Users choose which folders Claude can access, and the system logs all file operations for review. Claude cannot access files outside the authorized scope.
Expansion Timeline
- January 12, 2026: Launched exclusively for Max subscribers on macOS
- January 16, 2026: Expanded to Pro subscribers
- February 24, 2026: Enterprise connectors and plugins added
- Future: Windows and Linux support expected
Cowork represents Anthropic's vision of AI that goes beyond generating text — into genuinely completing work.
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