How to find large files on Mac

Complete guide with multiple methods and troubleshooting

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

Quick Answer

To find large files on a Mac, you can utilize Finder's built-in search functionality, the Storage Management tool, or third-party applications. Each method allows you to identify files that consume significant disk space, helping you manage your storage effectively.

Medium⏱ 7-10 min read

Prerequisites & Requirements

Before you start searching for large files on your Mac, ensure you have the following:
  • •macOS version 10.13 (High Sierra) or later is recommended for optimal functionality.
  • •Administrator access may be required for certain operations.
  • •No additional software is necessary, but third-party applications can enhance the search process.
  • •Backup important data before deleting files to prevent accidental loss.

Method 1: Using Finder to Search for Large Files

This method is ideal for users who prefer built-in tools and want a straightforward approach to find large files.
  • •Step 1: Open Finder by clicking on the Finder icon in the Dock.
  • •Step 2: In the Finder menu, click on 'File' and select 'New Smart Folder'.
  • •Step 3: In the Smart Folder window, click the '+' button located on the right side.
  • •Step 4: Set the first dropdown to 'Kind' and the second to 'Other'. Type 'File Size' in the search box and select it.
  • •Step 5: Change the condition to 'is greater than' and enter a size (e.g., 100 MB) in the size field.
  • •Step 6: The Finder will display all files larger than the specified size. You can sort them by size by clicking on the 'Size' column header.
  • •Step 7: To verify, check the file sizes listed and ensure they meet your criteria.
  • •Step 8: If no files appear, adjust the size threshold or check if you're searching in the correct location.

For macOS Monterey (12) and later

The steps are the same, but the interface may have slight visual differences.
  • •In Monterey, the Smart Folder interface may show a more streamlined design.
  • •Ensure you are using the latest version of Finder for optimal performance.

For macOS Big Sur (11) and earlier

The steps remain consistent, but the appearance of the Finder may differ.
  • •In earlier versions, the Smart Folder may not have the same visual cues as in Monterey.

Method 2: Using Storage Management

This method is useful for users who want a comprehensive overview of their storage usage.
  • •Step 1: Click on the Apple menu in the top-left corner and select 'About This Mac'.
  • •Step 2: In the window that appears, click on the 'Storage' tab.
  • •Step 3: Click on 'Manage...' to open the Storage Management tool.
  • •Step 4: In the sidebar, select 'Documents' to view large files sorted by size.
  • •Step 5: Review the list of files and applications, and delete any unnecessary items by selecting them and clicking the 'Delete' button.
  • •Step 6: To verify, check the remaining storage space displayed at the top of the Storage Management window.
  • •Step 7: If no large files are displayed, consider checking other categories or using Finder for a more specific search.

Troubleshooting Common Issues

If you encounter issues while searching for large files, consider the following solutions:
  • •Error: No files found - Solution: Ensure you are searching in the correct location or adjust the size criteria.
  • •Issue: Finder crashes when searching - Fix: Restart Finder by holding 'Option', right-clicking the Finder icon in the Dock, and selecting 'Relaunch'.
  • •Problem: Storage Management tool does not open - Workaround: Restart your Mac and try accessing it again from 'About This Mac'.

Advanced Tips & Shortcuts

Enhance your file management skills with these advanced tips:
  • •Keyboard shortcut: Command + Space - Opens Spotlight Search for quick file searches.
  • •Command line: 'du -sh *' in Terminal - Displays the size of files and directories in the current folder.
  • •Hidden feature: Use 'Finder > View > Show View Options' to customize how files are displayed, including size.

Common Mistakes to Avoid

Avoid these common pitfalls:

Expert Tips

Regularly monitoring your disk usage can prevent storage issues and improve system performance.