Frequently Asked Questions

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App Store Button Compatibility: OS X 10.11 or later
  • How does Duplicate File Scanner differ from other duplicate viewers?
    • Duplicate File Scanner is fast. It has a really fast scanning algorithm to find duplicate files.
    • It provides a possibility to find duplicate files in multiple different folders at a time.
    • Duplicates even in hidden folders can be found.
    • It offers automark option for removing duplicates in the fastest way.
    • It finds duplicate folders.
    • It shows you the visual progress of files selected for removal.
    • It allows selecting duplicates in a particular folder.
    • It allows to clean selected duplicates in a particular folder.
  • What is the difference between Duplicate folders and Similar folders?
  • Duplicate pictures are absolutely identical files which have the same size, extension and binary data. Similar photos are slightly different shots of the same scene. Similar photos usually just look alike but are not exactly the same.
  • Is it possible to search for duplicates by name?
  • Yes. To find duplicate by name, just select the option from settings "Search by Name". Duplicate File Scanner will scan all duplicates by name.
  • I want to skip my subfolder from searching duplicates. Is it possible?
  • Yes. Just uncheck the subfolder section.
  • When I click Remove, are the files deleted permanently?
  • When you remove duplicates with Duplicate File Scanner By default files are moved in Trash. If you want to remove them permanently, go to the app's setting and select Delete Files Permanently from deleting options.
  • What is Auto Select (Auto Mark)?
  • Auto Select (Auto Mark) button selects automatically selects duplicates files that have in the same group except the latest modified one.
  • Is Duplicate file Scanner works with networked drives?
  • Yes, it is fully compatible on the all connected network devices, external devices.
  • Are duplicates in hidden folders shown?
  • Yes, you can search for duplicates even in hidden folders.
  • Is it possible to remove all file entries, including original file?
  • Yes; however, by default duplicate file scanner will leave the last modified copy of file. If you want to delete all files you can simply select all files to delete.
  • How to remove duplicate files from the selected folder?
  • Click on the add folder or app's bottom click the add directory link to find duplicates and select whatever folder which you want to scan.
  • Can I restore removed duplicates?
  • Yes, you can, untill you have not delete duplicate files permanently. So you can restore your deleted files from trash. Ex. Go to Trash → Right click on the File → click Pull back. after it your file will reach inside from the deleted directory
  • Can I find duplicates on an external Disk?
  • Yes, you can. Duplicate File Scanner allows you to scan for duplicates on any readable drive on macOS.
  • Does Duplicate File Scanner display the original file among the duplicates?
  • Please note, all duplicate files are absolutely equal and they have the same size, extension and binary data. The duplicates may differ each from another by the file name only. It is impossible to say which files are originals and which files are the copies. That’s why Duplicate File Scanner displays all duplicate files. You should select by yourself which files you want to keep and which files you want to delete.
  • Does Duplicate File Scanner run on Apple Silicon Mac?
  • Yes. Duplicate File Scanner is optimized for M1 Apple Silicon Macs. The app runs on both Apple silicon and Intel-based Mac computers and does not require Rosetta Stone.
  • How many computers can I use one single license on?
  • If you buy Duplicate File Scanner from our website, you can use one license on up to 2 Mac computers.
    you buy Duplicate File Scanner from the App Store, you can use it on up to 5 Mac computers with the same Apple ID. Also, you can use Apple Family Sharing to install the app being signed in by the Apple ID of your family members.
  • How to uninstall Duplicate File Scanner?
  • Follow these steps to manually uninstall the app:
    • Quit Duplicate File Scanner.
    • Go to the Applications folder → remove Duplicate File Scanner to Trash.
    • In the Scanner’s menu bar, click Go → Go to Folder → in the window that appears, type ~/Library, and hit Go.
    • Within the Library folder find and remove Duplicate File Scanner service files. Note, depending on the version of the app you use, you will need to find and remove different folders.