How to Find Hidden Files on a Mac
Hidden Doesn’t Mean Gone
macOS hides certain system files and folders by default to keep things tidy and avoid accidental changes. But if you’re troubleshooting, customising settings, or managing storage, you might need to see those hidden files. Here’s how to find them quickly and safely.
1. Show Hidden Files in Finder with a Shortcut
The fastest way to reveal hidden files in macOS is through Finder.
Steps:
- Open Finder
- Go to any folder (e.g. Documents, Applications, etc.)
- Press Command + Shift + . (period)
Hidden files and folders will appear in grey
Press the shortcut again to hide them
2. Use Terminal to Show All Hidden Files
Prefer a more permanent method? Use the Terminal app to change system settings.
Steps:
- Open Terminal (use Spotlight with Command + Space > type "Terminal")
- Type the following command and press Enter:
- defaults write com.apple.finder AppleShowAllFiles -bool true
- Then type and run:
killall Finder
This restarts Finder with hidden files visible
To hide them again, run the same command but change true to false
3. View Hidden Library Folder
Your Mac’s user Library folder is hidden by default.
To Access It:
- In Finder, click Go on the top menu bar
- Hold down the Option key
- Click Library when it appears in the dropdown
Use this to access app preferences, cache files, and saved data
What Are Hidden Files Used For?
- System preferences and configuration files
- App support data and user caches
- .DS_Store files for folder view settings
Be careful—editing or deleting hidden system files can cause problems if you don’t know what they do
Final Thoughts: Hidden, Not Lost
Knowing how to find hidden files on a Mac can help with troubleshooting, advanced file management, or system clean-up. Use shortcuts for quick access or Terminal for deeper control—just tread carefully around system-level files.
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FAQs: Finding Hidden Files on Mac
1. Why does macOS hide certain files?
To prevent accidental deletion or modification of important system files.
2. Can I permanently unhide files on Mac?
Yes—with Terminal commands, you can make hidden files always visible.
3. Will viewing hidden files affect system performance?
No—viewing doesn’t impact performance. Just don’t delete system files unless you're sure.
4. How do I know which files are hidden?
Hidden files typically start with a period (e.g. .DS_Store, .bash_profile).
5. Is it safe to delete hidden files to free up space?
Some hidden files can be deleted, like app caches, but avoid touching system files unless necessary.
Read More:
| How to Change Your MacBook Name |
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Rename Your Mac in Seconds
Whether you just got a new MacBook or want to keep your devices organised, changing your Mac’s name is quick and simple. It helps when using AirDrop, Bluetooth, iCloud, or sharing files on a network. Here's exactly how to do it.
How to Change MacBook Name – Step by Step
1. Open System Settings
- Click the Apple Menu in the top-left corner
- Select System Settings (or System Preferences on older macOS versions)
2. Go to General > About
- In the left-hand menu, click General
- Then choose About
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- At the top, you’ll see your Mac’s current name
- Click the name field to edit it
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- Type in your desired name (e.g. “John’s MacBook Pro”)
- Press Enter to save it
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Why Change Your MacBook’s Name?
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