How to Clean Up iTunes Library, Cache, Backups and More
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Available for Windows and macOS 10.14 Mojave or later, Apple’s iTunes is a media player, media organizer, iTunes Store client, and more. Your iTunes may be full of clutter over years of use. For example, iTunes’ Music Library can be cluttered with duplicate songs and missing songs. iTunes cache and unnecessary backups can take up space.
But don’t worry. This article will show you how to clean up iTunes to better organize songs and free up space.
Part 1. How to clean up iTunes Library duplicate songs
Duplicates can clutter up your iTunes library and make listening to music less enjoyable. The good news is you can use Cisdem Duplicate Finder to easily find and get rid of them all at once.
(iTunes' built-in Show Duplicate Items feature is good at detecting duplicates, but you still need to remove them individually.)
Here's why Cisdem Duplicate Finder can be helpful.
- Find duplicate songs and videos along with all other duplicate files
- Identify duplicate audio files by content, ignoring file names
- Support scanning for duplicates in iTunes (as well as folders, Apple's Music, and Mac's Photos)
- Display found duplicates for you to easily view
- Automatically select all but one item for deletion in each group of duplicates, so you can remove all duplicates at once
- Allow you to adjust selections manually or choose from selection rules (e.g., Select Newest)
- Easy to use and customize
Note: This Cisdem app only finds and delete duplicate songs that are exactly identical, regardless of file names.
1. Download and install Cisdem Duplicate Finder on your Windows PC or Mac. Open the software.
Free Download Windows 10 or later
Free Download macOS 10.11 or later
2. In iTunes, go to Preferences > Advanced. Find the iTunes Media folder location.

3. Drag the iTunes Media folder into the Cisdem Duplicate Finder.

4. Click Scan.
5. Once the scan is done, go to the Music tab. There, you can view, sort and preview the iTunes duplicates that have been found.

6. The software already automatically selects duplicates for you to eliminate with a click. If you want, select a desired selection rule or select by hand.

7. Click Delete to remove all the selected unwanted duplicates from iTunes. Then, take this extra step.
Duplicates will be deleted in both iTunes’ Music Library and Media Folder.
Part 2. How to clean up iTunes Library missing songs
If a song is missing in iTunes, an exclamation mark will be displayed next to it. If you try to play it, it won't play, and a “The song could not be used” dialog box will pop up.

A missing song doesn't take space, but having a lot of missing songs in your iTunes’ Music Library can be annoying. They can mess your library. Removing missing songs makes it easier to manage your digital music collection. Below is how to do the removal.
1. On your Windows PC or Mac, open iTunes.
2. Select File > New > Playlist. A new playlist is created.
3. Give the new playlist a name, for example, Existing Music.
4. In iTunes, under the Library tab, click Songs on the left. Drag all your songs into the Existing Music playlist.
5. Select File > New > Smart Playlist.
6. In the Smart Playlist window that appears, make sure that you choose to match music for the rules that you are going to create.
7. Click the first dropdown list and choose Playlist. Click the next dropdown list and choose is. Click the third dropdown list and choose Music. Now the first rule is created.

8. Click the plus icon to generate the second rule. Edit the rule and make it like Playlist is not Existing Music.
9. Click OK.
10. On the left, click the Smart Playlist you have just created.
11. This Smart Playlist displays all the missing songs in your iTunes. You can verify a missing song by double-clicking it.
12. In this Smart Playlist, mass select the missing songs, right-click and choose Delete from Library.

13. This step is optional. Delete the Smart Playlist in question.
Part 3. How to fix missing iTunes album artwork
Having album artwork can matter to your browsing and listening experience. If albums show up without artwork, you can follow the steps below to fix it.
1. In iTunes, navigate to Library > Albums.
2. You can add artwork individually or all at once.
- Right-click an album and select Get Album Artwork.
- From the File menu, choose Library > Get Album Artwork to add artwork in bulk.
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If iTunes can't find the artwork for an album, a message will pop up to let you know. In such a case, you can manually add an artwork image via Get Info.
Part 4. How to clear iTunes cache quickly
What is iTunes cache? It is way of making iTunes load faster by saving information such as album artwork on your computer’s hard drive. Cache data can be useful.
Much or most of your iTunes cache may be created by previewing songs, music videos or movie trailers in iTunes Store. Such cache data could take up a lot of storage. You may want to get rid of the data.
1. The first step is different depending on your operating system.
- If you clean up iTunes on Mac, take this step. In Finder, select Go > Library > Caches. Right-click com.apple.iTunes and choose Get Info. Learn your iTunes cache size.
- If you use a Windows PC, take this step. In File Explorer, go to C:\Users and select your username > AppData > Local > Apple Computer > iTunes. Learn your iTunes cache size.
2. On your computer, open iTunes.
3. Go to iTunes Preferences > Advanced.
4. Click the Reset Cache button next to Reset iTunes Store cache.

5. Go to iTunes cache folder and check the size now.
The size should be (greatly) reduced, so a lot of storage will be freed up. Note that sometimes it may take a while for the size info to be updated.
With this method, only the preview cache will be deleted. And other useful or important cache is untouched.
Part 5. How to delete iTunes backups
iTunes is versatile. It’s also a mobile device management app and allows users to back up iPhone and iPad. iTunes backups can be huge and take gigabytes of storage space. It’s a good idea to eliminate unnecessary old backups on your Windows PC or Mac.
Method 1. Delete a backup using iTunes
1. On your computer, open iTunes.
2. Go to iTunes Preferences.
3. Choose the Device tab.
4. In the Device backups section, you can find versions of backups.

5. Make sure that you really want to delete a backup. Select the backup.
6. Click Delete Backup.
7. In the Are you sure dialog box, click Delete to confirm the deletion.
Method 2. Clean iTunes backups using File Explorer
1. On a Windows PC, open File Explorer.
2. On the left, click This PC.
3. Choose Disk C.
4. Go to Users and select your username.
5. From the File menu, choose Change folder and search options.
6. In the Folder Options window, choose the View tab.
7. Enable Show hidden files, folders, and drives.
8. Click Apply.
9. Click OK.
10. Continue with step 4. Choose AppData > Roaming.
11. Choose Apple Computer > MobileSync > Backup.

12. Select an unwanted iTunes backup to clean up.
Conclusion
Getting rid of duplicate tracks and missing songs can help you better manage your music library. Removing useless iTunes caches and backups can greatly free up storage space on your hard drive. This article talks about how to easily cleanup iTunes’ clutter, helping you have a better iTunes experience. Regardless of the clutter you want to weed out, you can’t go wrong being careful with your data.
With a passion for tech and writing, Sarah joined Cisdem, where she focuses on creating articles about using utility tools to enhance file management and simplify contact management.
Adrian Li is Cisdem’s Chief Engineer and serves as the editorial advisor for Duplicate Finder and ContactsMate. His work and insights have been featured in leading tech publications such as Fossbytes, TUAW, Redmond Pie, SafetyDetectives, and BestForAndroid.
