Containers

What is Containers?

~/Library/Containers is a macOS folder used by sandboxed apps, especially apps from the Mac App Store and other apps that adopt Apple’s sandboxing system. Inside it, each app gets its own container folder where it can store documents, preferences, databases, caches, and other working data without freely accessing other apps’ files. This helps macOS enforce privacy and security boundaries between apps. Users usually encounter this folder when checking storage use, troubleshooting an app, or removing leftover data after uninstalling software. The contents are not a single app’s files; they are separate per-app data folders, and deleting the wrong one can reset an app or remove locally stored information tied to that app.

Safety overview

Status: Use with caution

This folder is a normal part of macOS and often contains active data for installed apps. Removing container folders can sign you out of apps, erase local documents or downloads stored inside the sandbox, reset preferences, or break app-specific data until the app recreates it. Some folders belong to Apple apps or apps you still use, so delete only a specific app’s container after confirming the app has been uninstalled or that you no longer need its local data.

Recommendation: Keep ~/Library/Containers as a system-managed location. If you need to free space, review individual app folders inside it and remove only those tied to apps you have already uninstalled or no longer use, understanding that any local data stored by that app may be lost.

File path

• ~/Library/Containers

Related can I delete pages

• ~/Library/Group Containers
• ~/Library/Caches
• ~/Library/Application Support
• ~/Library/Preferences
• ~/Library/Saved Application State

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