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How to Find and Remove Duplicated Files on Mac? Learn to Remove Them Manually

Duplicated files can be generated easily on Mac. Due to its system feature, compared to Windows system, your simple drag could cause a duplicated file without your awareness. Finally, you will find that your Mac's disk space has been taken up by these files. What's worse, your photo library is a mess as there lots of same copies. Your download folder is also full of files which come with the same names. Your music folders are riddled with so many duplicates that you can't tell which is new. Don't underestimate these duplicated files, it may let you cost more money to buy a larger disk. But why don't you just get them all out of your Mac to save more space? Here we share you with some tips which might be helpful.

How to Find and Remove Duplicated Files from Mac Manually?

One of the ways is to sort the files by size using Smart Folders in the Finder. You may follow the below to do this.

1. Right click your Find

2. Choose New Finder Folder

3. Click a Plus button in a top right corner and select Search types: Kind, Date, Name, File type and others.

duplicate1.jpgLet's take the png pictures as an example.


Then you can start to delete those duplicated files. But we have to say, it takes much of your time and effort. And there are lots of duplicated files couldn’t be located under this action. If you are a geek and know how to use the Terminal Command, You may do it this way.


       1. Find Terminal in the Utilities folder and open it.

2. Navigate to the folder you want to scan with the cd command. Let's say, if you want to scan Downloads, type in cd ~/Downloads and hit Enter.

3. Copy and paste 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 hit Enter.


In this way, it will create a text file which will list the duplicated files you searched. But next, you still have to delete them by yourself. We create the computer as we would like it to help us to do the work and save our effort rather than to do it ourselves. Why not use a Mac cleaning app to get all of those done? Published by IObit, world's top system utility and security software provider since 2004, MacBooster, as a one-stop Mac maintenance tool, is definitely your best choice. It comes with the function Duplicate Finder which will help you to find the duplicated files and delete them smartly. Here is how you can do it with MacBooster:


                          1: Download MacBooster 7 and open it

                 2: Go to the Duplicate Finder module and choose the folder to scan

                 3: Choose to remove by yourself or let it Smart clean

Duplicate Finder1.png

It helps you locate and remove the duplicated files on your Mac quickly. Your Home folder is the default location to scan. You can click Add Folder button to add folders to scan or click Clear List button to get a fresh start. After selecting a folder and clicking the Scan button in the bottom middle of the window, you will see all duplicate files in the selected folders.

 Duplicate Finder2.png

So here are all of the tips we shared to find and remove duplicated files on your Mac. No matter you clean them manually or use MacBooster 7 to do your favor, getting the duplicated files out of your Mac can save lots of hard disk space. MacBooster can always be a help and ready to go. What’s more, it comes with other useful functions, like system junk files removal (remove over 20 types of junk files), Virus & Malware Scan, Startup optimization, Photo sweeper, etc. You can always use it to get your Mac tide and safe. So there you have it, a complete Mac cleaning tool to keep your favorite Mac in perfect shape. Just try it now and give your Mac a total cleanup.



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