Your Mac PC is so jam-packed with multiple identical folders that you find it difficult to perform your simple and basic tasks easily. For example, you may find it unusually slow to open your iPhoto or Photos library as a result of this. It has more effect in little time compared with duplicate files because most times, the spaces occupied by duplicate folders are usually large since folders are a combination of files. So, it’s imperative that rapt attention is given to removing duplicate folders from your Mac as they can fill your hard disk in no time.

Duplicate Folders

Duplicate folders – where do they come from?

Duplicate folders are exact copies of another folder containing exactly the same files. They arise from mistakenly saving a folder twice or more times, moving folders from on app to the other, or from multiple backups of many folders from devices or apps.

Also, a user may create duplicate folder single-handedly in Finder. You just select the folders in the Finder or create a smart folder in the Mac Finder, right-click the folder, and then select ‘Duplicate’ from the drop-down menu. Once you select duplicate, your Mac will add ‘copy’ to the duplicate’s folder name. For instance, the duplicate of a folder; ‘March Folder’ would appear as ‘March Folder copy.’

Whenever you are not duplicating the folders in the same app, then you might want to use the ‘copy and paste’ option. For easy searching later, it is recommended that you personally add a suffix to the duplicate name to be able to distinguish easily when searching in the future for duplicates. This makes life easier for you and your Mac.

Searching for duplicate folders with external apps

Luckily, there are a lot of efficient duplicate folder detectors with the graphical user interface in the market. For example, Jaikoz for reviewing music files and folders. It facilitates a full-service music directory with duplicate-detecting and name changing functionality.

In turn, Duplicate Photos Fixer Pro is a great app that easily detects duplicate images. Thus, it helps you maintain your photo library neat, clean, and organized.

One of broadly known security software developers the Intego company has a tool to find and delete duplicate folders on Apple computers called Mac Washing Machine. It is quite easy to use: just launch it, select Duplicates, and then go on to select the blue button. You can specify the search location, for example, music folders or the entire hard drive. After the scan, Mac Washing Machine displays each set of the duplicates found, and you may review each folder to examine its full content and details. Then, you may now choose the folder(s) you want to remove and the ones you wish to keep.

Another useful tool is Duplicate Zapper (available in the Mac App Store), which scans and searches out duplicate folders and allows you to select the ones you want to remove.

Overall, there are several dozens of free and paid comprehensive utilities that can search and delete duplicates of various file types and formats. Top solutions in the market are known for their smart algorithms that can analyze the content of files. It means that – when searching for duplicates – they compare not only the external files' attributes (like name, size, date of creation, etc.) but also the item's body itself (like the content of the text file or the pattern of the photo). Besides identifying identical file copies, such approach allows detecting similar items, for example, multiple images taken at the split second.

Deleting iTunes duplicate folders

Searching for duplicate items in iTunes is a separate subject. There are folders and sub-folders under your iTunes, and it is highly possible to download an album several times accidentally. So, if you created a separate folder for an album and downloaded the album twice or more times, then you have a serious case of folder duplication at hand.

By selecting My Music on your Mac and then choosing File, then Library, then click on Show Duplicate Items, iTunes automatically displays all tracks with the same artist name and same title name. This is only partially helpful, as you might have various versions of one song, for example, a studio version of the song and another for live albums. Same goes for the folders.

Click on the button for the Same Album in your navigation bar so that iTunes can refine its selection only to the items duplicated on that same album. You may then remove the files and folders that occur more than once.

For further powerful duplicate searching in your iTunes, there’s a very great app called Dupin. It can find duplicate files and folders that iTunes overlooks, giving you the luxury of selecting the files you wish to delete and the ones you wish to keep. The app may also add all duplicates found to a playlist on iTunes, allowing you to sort the files there.

So, once you face the lack of space on your Apple computer, take your time to look for duplicate files and folders. Getting rid of useless copies helps keep your Mac clean and with enough of free space for stable performance.