Show User Library Folder OS X Yosemite

To show your user Library folder in OS X Yosemite, open Finder, click the Go menu, hold down the Option key, and click Library that appears in the dropdown. This reveals the hidden folder temporarily; to keep it permanently visible, run a simple Terminal command or use the Folder visibility settings. Below is everything you need to know about accessing, hiding, and troubleshooting the Library folder in Yosemite.

Why the Library Folder Is Hidden by Default

Starting with OS X Lion (10.7), Apple hid the user Library folder to prevent accidental modification of critical files. The Library folder contains application support files, preferences, caches, and other data that, if moved or deleted, can cause apps to malfunction or lose settings. Yosemite (10.10) continues this default behavior, so even though the folder exists at ~/Library, it is invisible in the Finder unless you take specific steps.

Apple’s decision was a response to users deleting or altering files they didn’t understand, leading to corrupted applications and system instability. The hidden status applies only to the user-level Library; the system-level Library at /Library and the root-level one are still visible by default.

Method 1: Temporary Access via the Go Menu

The quickest way to open your Library without permanently changing visibility is to use the Go menu in Finder:

1. Open a new Finder window (click the Finder icon in the Dock).
2. Click the Go menu in the menu bar at the top of the screen.
3. Press and hold the Option (Alt) key on your keyboard.
4. While holding Option, you’ll see Library appear in the dropdown list, between Home and Computer.
5. Click Library to open the folder.

This method works every time you need access, but the folder will not stay visible in your Home folder afterward. It’s ideal for one-off visits or when you rarely need to modify files there.

Method 2: Permanently Unhide with Terminal

If you frequently need to access your Library, you can make it permanently visible using a Terminal command. This changes the folder’s hidden attribute so it appears in your Home folder like any other folder.

1. Open Terminal (found in Applications > Utilities).
2. Type or paste the following command and press Enter:

chflags nohidden ~/Library

This removes the hidden flag from your user Library folder. To reverse it later, use:

chflags hidden ~/Library

After running the command, the Library folder will appear in your Home folder immediately. Note that this only affects your user account; other users on the same Mac will still have hidden Libraries unless you run the command for them as well.

Method 3: Use the Folder Visibility Setting (Advanced)

For those who prefer a graphical interface, you can use the “Get Info” window to toggle the hidden flag. However, this method is less straightforward because the Library folder is not visible in the Home folder by default. Here’s how to do it:

1. Use the Go menu method above to open your Library folder.
2. In the Finder window, click the folder name at the top (the current folder’s name) and select Library from the pop-up, or navigate to your Home folder and press Command+Shift+G to open the “Go to Folder” dialog.
3. Type ~/Library and press Enter.
4. Once the Library folder is open, press Command+I to open Get Info.
5. In the Get Info window, check the Hidden checkbox (if available) or uncheck it to make the folder visible. Note: The Hidden checkbox is only present in Yosemite and later; if you don’t see it, use the Terminal method.

This method is less reliable because the Hidden checkbox may not appear for all folders, and toggling it may require you to restart Finder. Most users find the Terminal command simpler.

What’s Inside the Library Folder?

The user Library folder contains several important subfolders that are worth knowing about:

• Application Support – Stores app-specific data, such as saved game files, extensions, and app preferences that aren’t stored in the Preferences folder.
• Caches – Temporary files that speed up app and system processes. Deleting these can sometimes fix issues but may slow down apps temporarily.
• Preferences – Contains .plist files that store your app settings. Deleting a preference file can reset an app’s settings to default.
• Logs – System and app log files that can help diagnose issues.
• Saved Application State – Stores the state of apps when you quit them, so they reopen where you left off.
• Mail – Contains your Mail app data, including messages and attachments.

Be cautious when modifying anything inside these folders. Always back up important data before deleting or moving files.

Common Problems and Troubleshooting

Users often encounter a few issues when trying to access the Library folder in Yosemite:

• Option key doesn’t show Library: Make sure you are holding the Option key before clicking the Go menu, and that you are in Finder (not another app). If it still doesn’t appear, try pressing the Option key after clicking Go but before releasing the click.
• Terminal command doesn’t work: Ensure you typed the command exactly as shown, including the tilde (~) which represents your home directory. If you get an error, check that you have permission to modify the folder (you should, as it’s your own).
• Library folder disappears after restart: The Go menu method is temporary by design. If you used the Terminal command and it still disappears, the hidden flag may have been reset by a system update. Re-run the command.
• Can’t find Library in Home folder after unhiding: If you used the Terminal command and it still doesn’t show, try pressing Command+Shift+G in Finder and typing ~/Library to navigate directly. The folder might be there but not visible due to Finder view settings.

Frequently Asked Questions

How do I show hidden files in Yosemite?

To show all hidden files (including the Library folder) in Finder, open Terminal and run defaults write com.apple.finder AppleShowAllFiles YES, then restart Finder with killall Finder. This will display every hidden file and folder, which can be overwhelming. To revert, use NO instead of YES.

Is it safe to delete files in the Library folder?

Generally, no. Deleting files in the Library folder can break apps or cause data loss. The Caches folder is the only one that’s relatively safe to clear, but even then, apps will recreate cache files. Always back up before deleting anything.

Why is the Library folder hidden on my Mac but not on my friend’s?

Your friend may have already unhidden it using the Terminal command or a third-party tool. The default setting is hidden for all users, but it’s easy to change.

Can I move the Library folder to another drive?

No. The Library folder must remain in your home directory. Moving it will cause system and app errors, and macOS may not boot correctly. Do not attempt to relocate it.

Does the Library folder contain viruses?

No, the Library folder itself is not a virus, but malware can hide there. If you suspect an infection, check the LaunchAgents and LaunchDaemons subfolders for suspicious files, but be careful not to delete legitimate system items.

How do I access Library on a Mac with no Option key?

All Mac keyboards have an Option key (labeled “Option” or “Alt”). If you’re using a Windows keyboard, the Alt key works as Option. Alternatively, use the Terminal command or the Go to Folder shortcut (Command+Shift+G) and type ~/Library.

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