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How to find the largest files in a folder on Mac

Scan a folder, sort the file inventory by size, and see which files take the most space.

4 stepsUpdated 12 Nov 2026Get File Finder - Folder Scanner
What you'll achieve
You will have a file inventory sorted by size from largest to smallest, with the largest files at the top and their locations visible.
What you need
  • File Finder - Folder Scanner installed on your Mac.
  • Read access to the folder or mounted volume you want to inspect.
File Finder - Folder Scanner showing the selected folder's ten files sorted by size, with the largest movie file first.

File Finder - Folder Scanner can scan one folder you authorize and show each file's name, type, size, date, and path. Follow these steps to review the largest files first without changing your originals.

  1. 1.Choose a folder to inspect

    In Source, choose the folder or mounted volume you want to inspect and grant access when macOS asks. The app displays the selected folder as ready to scan.

    A chosen folder is authorized and ready to scan in File Finder.
    A chosen folder is authorized and ready to scan in File Finder.
  2. 2.Scan the selected folder

    Click Scan. The Answer view lists the discovered files, with their names, sizes, kinds, dates, and paths.

    The scanned folder's file inventory lists names, sizes, kinds, dates and paths.
    The scanned folder's file inventory lists names, sizes, kinds, dates and paths.
  3. 3.Select size and descending order

    In the Question controls, set Sort to Size, then set Direction to Descending. These controls define the order for the next run.

    The Sort field is Size and the Direction control is Descending, ready to apply.
    The Sort field is Size and the Direction control is Descending, ready to apply.
  4. 4.Run the sort and review the largest files

    Click Run to apply the new ordering. The Answer list now shows the largest files first; review each file's Size and Path before deciding what to inspect.

    The Answer table is ordered by file size descending, with the largest movie files at the top.
    The Answer table is ordered by file size descending, with the largest movie files at the top.

Tips

  • Choose a smaller folder when you want a focused inventory rather than a whole-volume scan.

  • Use the size and date columns to understand the results before opening files.

  • Watch outThe app reads file metadata within the authorized folder; it does not delete or clean up files.

  • Watch outSome folders may be inaccessible. Check the Coverage view if the scan reports omissions.