com.flyingmeat.Acorn8.Acornappex
This container stores sandboxed data for an Acorn 8 app extension used by the Acorn image editor on macOS.
What is com.flyingmeat.Acorn8.Acornappex?
com.flyingmeat.Acorn8.Acornappex is a sandbox container created for an Acorn 8 app extension on macOS. Acorn 8 is a native Mac image editor for editing photos, creating graphics, adding text and shapes, applying filters, and retouching images. Container folders in ~/Library/Containers hold app-specific data that macOS uses to isolate an app or extension from other software. For an extension, that data can include saved state, temporary working files, preferences, and other support files needed when the extension is invoked from Acorn or from supported share and editing workflows. Users most often encounter this folder only when reviewing storage usage, troubleshooting app behavior, or cleaning up files after removing the main app.
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Safety overview
Status: Mostly safe
This folder is tied to an Acorn 8 extension container, not a core macOS component. Keeping it is normal if you still use Acorn 8 or its extension features. Removing container data can reset extension-related settings and may delete working data the extension expects. The folder name uses com.flyingmeat.Acorn8.Acornappex, while the main Acorn 8 app is commonly identified separately, so check whether Acorn 8 is still installed before deleting the container.
Recommendation: Keep this container if you still use Acorn 8 or want to preserve its extension data. If Acorn 8 has already been removed and you no longer need its editing extension, you can delete this folder to reclaim a small amount of space. If you are unsure, move it aside first and restore it only if an Acorn sharing or editing feature stops working.
File path
~/Library/Containers/com.flyingmeat.Acorn8.Acornappex
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