Did you know that your Mac may contain many duplicate and unnecessary files? These harmless files can take up a lot of storage space, making your computer run slowly. They can also make your file library messy and disorganized. When your files are scattered across different folders, it becomes harder to find what you actually need. But don’t worry! In this guide, we’ll share different ways on how to find and delete duplicate files on Mac. You’ll also learn how to prevent duplicate files from appearing again in the future.
How to Find and Delete Duplicate Files on Mac?
Option A: Remove Duplicate Files via Finder
We recommend using Finder to manually delete duplicate files on Mac if you only have a small number of files. This method does not require installing any third-party software and gives you full control over what gets deleted. However, it also requires more time and careful attention, since you need to search for duplicate files on Mac yourself. Here’s how:
Step 1: First, open Finder on your Mac. Navigate to folders where duplicate files are most likely to appear, such as Downloads, Documents, and Pictures.
Step 2: Click View > Show View Options, then sort the files by Name, Size, or Date Modified.
Step 3: Generally, files with the same name or size are likely to be duplicates. Before deleting any file, it’s best to open it and compare it with the original.
Step 4: Finally, select the duplicate files and press Command + Delete.
Option B: Use a Dedicated Duplicate File Finder for Mac
Manually deleting files might work when there are only a few of them, but it quickly becomes impractical once the number grows. Searching through folders one by one is both time-consuming and exhausting, and there’s always the risk of accidentally deleting important files. That’s why many users eventually turn to software to find duplicate files on Mac.
One such tool is Tenorshare Cleamio, which can quickly scan the entire system and identify duplicates with greater accuracy. Here are more details about this duplicate file finder for Mac:
- Delete duplicate files, junk files, system caches, and app leftovers in just a few clicks.
- Identify and remove large files on your Mac using AI technology.
- Monitor CPU, memory, disk, and network usage in real time.
- Manage startup items and background processes to speed up Mac boot time.
- Fully compatible with macOS 10.13 and later.
- Apple-notarized, with local processing to ensure privacy protection.
Here’s an example of how to remove duplicate files on Mac with the help of Tenorshare Cleamio:
Step 1: To get started, download and install Tenorshare Cleamio on your Mac. After launching the program, pick Duplicate Files from the left-hand panel.
Step 2: Next, choose the folders you want to scan. If you want to scan multiple folders, click the plus button and add more directories. After that, hit Scan to proceed.
Step 3: After the scan is complete, Cleamio will display all detected duplicate files by category. You can review the duplicates and select the files you want to remove manually, or use Select All or Auto Select to automatically choose the largest or oldest copies.
Step 4: Cleamio allows you to choose how these files are handled. You can move duplicates to the Trash, a specific folder, or permanently delete them. When everything is ready, click Remove to get rid of the selected duplicate files.
Option C: Utilize the Photos App
Still wondering how to remove duplicate files on Mac? You may notice that most of the duplicate files on your Mac are photos. If duplicate images are your main concern, there is no need to clean your entire system right away. In the Photos app, there is a handy feature that allows you to quickly locate duplicate or similar images. Here’s how to use it:
Step 1: Open the Photos app on your Mac.
Step 2: In the left sidebar, under Library, select Duplicates. The Photos app will perform a deep scan of your photo library.
Step 3: Once the scan is complete, duplicate photos will be grouped together. Click Merge to keep the best version and remove the extra copies.
Option D: Create a Smart Folder
Another potential solution to search for duplicate files on Mac is by using Smart Folders. Compared to basic Finder searches, Smart Folders can save time by scanning multiple locations at once and keeping results updated automatically. Here’s how to use it:
Step 1: First, open Finder, then click File > New Smart Folder.
Step 2: In the top-right corner, select This Mac to search the entire system, or choose a specific folder if you only want to scan a certain location.
Step 3: Click the plus button to add search filters.
Step 4: Once the results appear, press the Space bar to preview each file and identify which ones are duplicates.
Best Practices to Prevent Duplicate Files on Mac
That’s everything related to how to find duplicate files on Mac. However, preventing duplicate files is often easier than removing them later. By building a few simple habits, you can keep duplicate files on Mac from piling up again.
- Take a few minutes each month to clean up folders like Downloads and Documents, and delete files you no longer need.
- Before downloading a file, check whether it already exists on your Mac.
- Use one main app, such as the Photos app, to manage your media.
- Keep a duplicate file finder for Mac in hand.
Wrapping Up
You no longer need to stress about how to find and delete duplicate files on your Mac. Here, we’ve covered four simple approaches to help you tackle the problem, and the most important thing is choosing the method that best suits your needs. With a bit of patience, macOS’s built-in tools are perfectly capable of handling a small number of duplicate files. However, if you’re dealing with large volumes of data or want quicker results, it’s best to pick a dedicated duplicate file finder for Mac.
How to Remove Duplicate Files on Mac FAQ
Q1: Is It Safe to Delete Duplicate Files on Mac?
Yes, it is generally safe to remove duplicate files on Mac as long as you review them carefully before deletion. If you’re concerned about potential data loss, consider creating a backup first using Time Machine.
Q2: What Is the Easiest Way to Find Duplicate Files on Mac?
As already noted, for a small number of files, Finder or Smart Folders are simple and free options. If you have many files spread across different folders, we recommend using software to find duplicate files on Mac.
Q3: Does Mac Have a Built-In Duplicate File Finder?
macOS does not have a dedicated tool that automatically removes duplicate files. However, built-in features like Finder, Smart Folders, and the Photos app can help you find potential duplicates, which you can then delete manually.
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