Cache & Junk

How to Find and Delete Large Files on Mac

June 7, 2026·3 min read

Hidden Large Files Are the Biggest Space Wasters

The fastest way to how to free up space on mac is to find and delete large files. A single forgotten video file, virtual machine, or database dump can be 5, 10, or even 50 GB. These files are often buried in folders you never browse, invisible but taking up massive amounts of space.

Most users don't realize how many large files they have. After a few years of use, Macs tend to accumulate forgotten downloads, old project files, and copies of things you already have elsewhere.

Method 1: Finder Smart Search

Open Finder and press Command + F. Click the Kind dropdown and change it to Other, then scroll down and select File Size. Set the operator to is greater than and enter a size like 500 MB. Click Search to see all files on your Mac larger than that threshold.

Sort the results by size to see the biggest files first. Review each one carefully. Common finds include .mov and .mp4 video files, .dmg disk images, .zip archives, and .vmdk virtual machine disks. This method to how to free up space on mac is quick and reveals forgotten giants.

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Method 2: Storage Management Tool

Apple's built-in Storage Management tool has a Large Files section. Go to About This Mac, Storage, Manage, then look at the Documents section. Click the Large Files tab to see your biggest files sorted by size.

This tool shows the file name, size, and last accessed date. Files you have not opened in over a year are excellent deletion candidates. The advantage of this method is that it shows the access date, helping you decide what is worth keeping.

Method 3: Terminal Commands

For more control, use Terminal to find large files. The find command with a size filter lists all files larger than a specified size in your home directory. For a sorted list, combine find with ls and sort to see the biggest files ranked by size.

Terminal is the most thorough way to how to free up space on mac because it finds hidden files that Finder might not show. To search specific folders, replace the home directory with any path you want to scan.

Common Large Files to Look For

Video files are the most common large files. A single hour of 4K video can be 10 to 40 GB. Check your Movies folder, Downloads, and Desktop for video files you have already watched or backed up. Photo library exports and RAW photo files are also surprisingly large.

Old disk images from software installations often sit in Downloads for months. Virtual machine files from Parallels or VMware are massive. Database files from development work can grow to gigabytes. Old .zip and .tar archives often contain files you have already extracted elsewhere.

Deciding What to Delete

Not every large file should be deleted. Ask yourself three questions: Do I still need this file? Do I have another copy? When did I last open it? If you don't need it, delete it. If you have a backup, delete the local copy. If you haven't opened it in over a year, you probably don't need it.

For files you want to keep but rarely access, move them to an external drive. This lets you how to free up space on mac while preserving access to the file when you need it. Create an organized folder structure on your external drive so you can find files later.

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Frequently Asked Questions

What size files should I target first?

Start with files over 1 GB for the biggest impact. After removing those, work down to 500 MB, then 100 MB. Targeting the largest files first gives you the most space recovery for the least effort.

How do I find large hidden files?

In Finder, press Command + Shift + Period to show hidden files, then search by size. Or use Terminal's find command which includes hidden files by default.

Is it safe to delete .dmg files?

Yes, .dmg files are disk images used for software installation. After you've installed the app, the .dmg file serves no purpose and can be safely deleted.

What if I accidentally delete an important large file?

If you moved it to Trash, restore it immediately. If already emptied, check Time Machine backups. For critical files, data recovery software might help but act quickly.

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