com.flyingmeat.Acorn8.QLPreview
This folder is Acorn8’s sandbox container for its Quick Look preview component, used when macOS shows previews for supported files.
What is com.flyingmeat.Acorn8.QLPreview?
com.flyingmeat.Acorn8.QLPreview is a sandbox container in your user Library for a Quick Look preview component associated with Acorn8. Quick Look components let macOS generate previews and thumbnails in Finder and other system interfaces. You might encounter this folder when reviewing storage use, sandboxed app data, or files created by Acorn8-related preview features.
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Safety overview
Status: Mostly safe
This is not a core macOS system folder, but it is tied to Acorn8 preview functionality. Removing it is unlikely to damage macOS, though it may reset preview-related container data and could affect Quick Look behavior for Acorn8 until the component recreates its files.
Recommendation: Keep this if you use Acorn8 or want its Finder preview integration to work normally. If Acorn8 has been removed or you no longer use its Quick Look features, this folder is usually optional and may be removed cautiously; it may return if the related component is used again.
File path
~/Library/Containers/com.flyingmeat.Acorn8.QLPreview
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