Bottom Line: It is 100% safe to delete GPUCache and CodeCache folders in Slack. Clearing Electron cache files will NOT sign you out of your Slack workspaces or delete chat messages.
What are Slack GPUCache & CodeCache Folders?
Located at %AppData%\Slack\GPUCache and %AppData%\Slack\CodeCache on Windows (or ~/Library/Caches/Slack on macOS), these folders are created by the Slack Desktop App (which runs on Chromium Electron).
Slack uses:
GPUCache/: Compiled GPU shader programs used to accelerate Slack UI animations and huddles.CodeCache/: Pre-compiled V8 JavaScript bytecode for Slack web apps.
Over time, corrupted GPUCache files cause Slack to display blank black screens, frozen huddle windows, or high CPU usage.
Can You Delete Slack GPUCache?
✅ Yes, it is completely safe to delete.
- Zero data loss: All messages, files, and workspace connections stay 100% safe in the cloud.
- Fixes Slack rendering bugs: Deleting
GPUCacheis Slack Support’s official fix for black window bugs.
How to Safely Clean Up Slack GPUCache
Method 1: Delete via Slack App Menu (Recommended)
- Open Slack.
- Click Help in top menu (or click Slack menu icon).
- Go to Troubleshooting > Clear Cache and Restart.
Method 2: Manual File Explorer Wipe
- Close Slack.
- Press
Win + R, type%AppData%\Slack, and press Enter. - Delete
GPUCache,CodeCache, andCache.
Related Guides
- Learn about deleting Slack cache.
- How to clean up Teams cache.
- Check if you can clean Discord cache.
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