I found that there are many duplicate files on my mac. Do you have such a situation? How do I search for duplicate files Mac?iMyMac logo

manYes, I have the same situation as you. And I used Duplicate Finder by iMyMac PowerMyMac to quickly find the duplicate file and delete them. You can try it. Next, Let me tell you how to find duplicate file with quick ways and how to delete all duplicate files on Mac.

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Mac is one of the well-designed machines which has the ability to help you deal with either your work or in your everyday life. However, over the days that you use this, eventually, your system has a risk of going slow because more and more files are created. If this happens, it is then necessary for you to manage your files especially those duplicate files on your Mac. But how to find duplicate files on Mac?

Article GuidePart 1. Why Are There So Many Duplicate Files on My Mac?Part 2. How to Find Duplicate Files on Mac to Remove?Part 3. Conclusion

Part 1. Why Are There So Many Duplicate Files on My Mac?

Why is my Mac duplicating files? One of the reasons as to why you are running out of storage on your Mac computer is because of some Mac duplicate files. At some point, you might be over thinking if why is your Mac computer duplicating your files right? Well, there are actually many reasons for "why does my Mac duplicate files" question:

One reason is that when you try to move a patch of images to your Mac and have them viewed in Photos App. When you do this, you are actually making two copies, one copy is moved to your folder and the other copy is in your photo library. And sometimes you need tools to locate these photos for you.

Another reason is when you tend to view your email attachments first before you download them. In some cases, once you try to open one of your email attachments, your Mail app automatically downloaded a copy of the file that is why you automatically have two copies of those attachments.

One more reason for having a duplicate file is that when you unknowingly download a photo of the file twice. And if you have tried before moving a file to your external drive without deleting the original copy, that is also one reason for duplicating it.

You can actually find duplicate files on your Mac computer manually. But if you do so, you will consume a lot of time just by sorting out thousands of duplicate files on your Mac computer and that could also be exhausting on your part. Never worry because we will show you the best and easiest ways on how you can find duplicate files on your Mac computer to remove.

Find Duplicate Files on Mac

Part 2. How to Find Duplicate Files on Mac to Remove?

"How do I find duplicate files on my Mac to delete?" You can find duplicate files like music, photos, videos, or documents by using your Terminal command or by using a specific duplicate file finder software for Mac computer. Either way can both work. But what is the best way to find duplicate files?

What Is the Best Duplicate File Finder for Mac?

Duplicate Finder by iMyMac PowerMyMac will be the best duplicate file finder software that you can use to find and remove duplicate files Mac that are stored on your Mac computer.

This duplicate finder can scan all your Mac folders like your Downloads, Documents, Desktop and it can detect your duplicate photos, videos, apps, documents and more all in just one click of a button. This software is a safe, well-designed and a user-friendly tool. It can scan your Mac computer and can display all your duplicate files.

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PowerMyMac can detect duplicate files not only a same name of the files but also by their size, the date it was created and their file type. The software also allows you to preview your files like your photos, documents so that you won't be able to mistakenly delete your important files. It can also clear your system caches and junk files. So, how to remove duplicate files on Mac? To use PowerMyMac in finding duplicate files Mac to remove just follow the steps below:

  1. Launch PowerMyMac and select "Duplicate Finder". Open the desired folder by choosing the path and then click the "Scan" button for the program to check for duplicate files Mac.
  2. Once the scanning process is complete, have a view of all duplicates.
  3. Select all the duplicate files you want to remove. When you're done, just click on "Clean" to delete all the selected duplicate files.

Clean Duplicate Files on Mac

Find Duplicate File Using Terminal Command

Using Terminal Command can find duplicate files quickly. However, just to give you a headstart, this method is for those people who had barely used terminal before. It might mess up your Mac OS X if you enter the wrong command. Follow the steps below to use this method.

  1. Launch Finder and type terminal for it to bring out the Terminal Tool.
  2. Select a folder that you want to clean its duplicates and locate them with a cd command in Terminal.
  3. Copy this command (find . -size 20 \! -type d -exec cksum {} \; | sort | tee /tmp/f.tmp | cut -f 1,2 -d ‘ ‘ | uniq -d | grep -hif – /tmp/f.tmp > duplicates.txt) and then click "Enter".
  4. A file named txt. the duplicate will then be created in the folder that you have chosen earlier. You can find and delete duplicate files manually according to txt. file.

Find Duplicate File Using Terminal Command

Using this method have an inconvenience side on your part because you will still manually locate and delete duplicate files Mac one by one. Searching using Terminal sometimes is not accurate in Mac.

Find Duplicate Files on Mac via Finder

You can use New Smart Folder in Finder to find duplicate files but you need to sort the files by Kind, Date, Name or Contents. This way may need your patience. Just follow the steps below:

  1. Launch Finder on Mac.
  2. Click File from the Apple menu, then select New Smart Folder.
  3. Click the Plus button beside Save and you can begin to search files by choosing parameters like Kind, Date, Name, Contents, or others.
  4. Once the searching results are displayed, you can right-click them and choose "Move to Trash" to delete.

Find Duplicate Files on Mac via Finder

Part 3. Conclusion

So, with the shown methods above, now you know how to get rid of duplicate files on Mac. And PowerMyMac will still be highly recommended for you to find duplicate files and delete them. You can free try this software from the official website. It can locate and remove all your duplicate files, it can clean up your junk files and more.

Having the PowerMyMac installed on your Mac computer can be very handy because once you feel like your Mac is running slow or you feel like you have too much data stored on your Mac, you can just simply use it and get your computer clean up for you to experience a better speed like it was newly bought.