How to free up space on Mac

Complete guide with multiple methods and troubleshooting

7-10 min read
Expert Verified
Last Updated: August 2025

Quick Answer

To free up space on a Mac, users can utilize built-in tools like Storage Management, delete unnecessary files, and optimize storage settings. These methods help reclaim valuable disk space and improve system performance.

Beginner/Intermediate⏱ 7-10 min read

Prerequisites & Requirements

Before starting the process of freeing up space on your Mac, ensure you have the following:
  • •A Mac running macOS Sierra (10.12) or later for optimal features.
  • •Administrator access to perform system-level changes.
  • •Backup of important data using Time Machine or another backup solution.
  • •Sufficient knowledge of file management and system settings.

Method 1: Using macOS Storage Management

This method is ideal for users who prefer a straightforward approach using built-in macOS tools to identify and manage storage.
  • •Step 1: Click on the Apple menu () in the top-left corner of the screen.
  • •Step 2: Select 'About This Mac' from the dropdown menu.
  • •Step 3: Navigate to the 'Storage' tab and click on 'Manage...' to open the Storage Management window.
  • •Step 4: Review the recommendations provided, such as 'Store in iCloud', 'Optimize Storage', and 'Reduce Clutter'.
  • •Step 5: Click on 'Documents' in the sidebar to review large files and delete any unnecessary ones.
  • •Step 6: Verify that space has been freed by returning to the 'Storage' tab.
  • •Step 7: If it doesn't work, restart your Mac and repeat the steps.

For macOS Monterey (12) and later

In macOS Monterey and later, the Storage Management tool includes enhanced recommendations.
  • •Step 1: Follow the same initial steps to access Storage Management.
  • •Step 2: Explore new options like 'Empty Trash Automatically' for automatic deletion of files older than 30 days.

For macOS Big Sur (11) and earlier

In earlier versions, some features may be limited.
  • •Step 1: Access Storage Management as described.
  • •Step 2: Note that 'Store in iCloud' may not be available in older versions.

Method 2: Manually Deleting Files and Applications

This method is useful for users who want to take a hands-on approach to manage their files and applications.
  • •Step 1: Open Finder by clicking on the Finder icon in the Dock.
  • •Step 2: Navigate to the 'Applications' folder from the sidebar.
  • •Step 3: Identify and right-click on any applications you no longer use and select 'Move to Trash'.
  • •Step 4: To delete files, go to the 'Documents', 'Downloads', and 'Desktop' folders and remove unnecessary files.
  • •Step 5: Empty the Trash by right-clicking on the Trash icon in the Dock and selecting 'Empty Trash'.
  • •Step 6: Verify that space has been freed by checking the 'About This Mac' storage tab.

Troubleshooting Common Issues

If you encounter issues while trying to free up space, consider the following solutions:
  • •Error: 'Cannot delete file' - Solution: Ensure the file is not in use and try again. If it persists, restart your Mac.
  • •Issue: 'Insufficient space for updates' - Fix: Use Storage Management to delete large files or applications.
  • •Problem: 'Storage not updating' - Workaround: Restart your Mac and check the storage again.

Advanced Tips & Shortcuts

For power users looking to maximize efficiency, consider these tips:
  • •Keyboard shortcut: Command + Space - Opens Spotlight for quick file searches.
  • •Command line: 'sudo du -sh /*' - Displays disk usage for each directory in the root.
  • •Hidden feature: 'Finder's Smart Folders' - Create a Smart Folder to automatically organize files by size or type.

Common Mistakes to Avoid

Avoid these common pitfalls:

Expert Tips

Regular maintenance and awareness of storage usage are key to preventing space issues.