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Examples of Apps Creating Temporary Junk Data on a MacBook


MacBooks are some of the most reliable computers you can get. Besides, they are known for sleek design and a plethora of neat features, as well as a plethora of available applications one can get on the official store or a third-party developer.


Nevertheless, despite these advantages, MacBooks also have some areas where they can be pretty lackluster. The lack of available storage is an example of one of these areas.


Macs do not offer as much available storage as custom personal computers or some Windows laptops. The problem becomes even more apparent if you get a cheaper model. Lastly, the trend of replacing hard drives with solid-state drives for performance improvements also means less available disk space.


Deleting unnecessary applications, old downloads, and transferring data to an external HDD or clouds are all good ways to free up enough MacBook drive space. 


Temporary storage is another common reason why many MacBook owners struggle to have enough free space on their computer’s drive. Besides, caches, system backups, app extensions, and other junk data accumulate quite fast. The sheer number of these files gives problems for the macOS because it needs to process the data.


The system creates caches and other similar files to speed up data transferring. However, if you leave these files unchecked for too long, they will cause performance problems.


It is recommended to remove temporary junk files regularly using CleanMyMac X or other reliable cleanup utility tools. After all, deleting temporary storage manually would be quite monotonous and time-consuming, whereas cleanup software would do the work for you.


Of course, some apps create more temporary junk than others, and focusing on the biggest offenders should be a good approach. Below, you will see the list of software that creates quite a lot of temporary data.




Let’s start with Steam. Even if MacBooks do not have the best hardware to play video games, it is still possible to run some AAA titles after lowering graphics. And other than the AAA video games, there are plenty of great indie games. Hades, Cuphead, and Hollow Knight are a few examples.


Since video games take quite a lot of space, you need to keep tabs on every application you install. Besides, Steam also has some instances of when it creates temporary storage to improve the performance. 


Other than clearing the Steam cache to free up the MacBook’s drive space, doing so would also delete junk data that prevents Steam users from downloading or updating games. Keep that in mind if you encounter various problems on your Steam account.




Spotify is one of the most popular music services. It has pretty much all the music one needs, and you can listen to it without downloading any files. Having a premium Spotify version also eliminates ads and improves the overall listening experience.


Nevertheless, spotify cache files accumulate quickly if you listen to music often. After all, the music data does not appear out of thin air. The tunes you stream still create cache and other temporary files, and the folder for these files can grow quite a lot.


Removing unwanted data is the most effective solution. However, you can slow down the speed at which cache accumulates by tinkering with Spotify settings. The app will create fewer files if you lower the music quality.


Go to the Preferences tab on Spotify and scroll down. There will be a Music Quality section at the bottom of the tab. If you select Low or Normal quality instead of Very High or High, there should be fewer problems with the temporary junk.




Graphic designers and professional photographers use Photoshop quite a lot. High-quality pictures and other files you edit on the software require a lot of drive space already. Making copies, layers, and other temporary files will cause storage issues on your Mac if you are not careful.


Photoshop creates caches and other files on a scratch disk. Note that if you encounter warnings about a scratch disk being full, you will need to take action and remove the junk data. Otherwise, both your Mac and Photoshop will not run optimally. 




XCode is another example of software that accumulates temporary storage. If you use the tool to develop applications for iOS or macOS, it is natural that it will create a lot of cache and other temporary data.


Similar to how you deal with other instances of unwanted temporary files, you should also take care of XCode data by deleting it regularly.


Internet Browsers

Internet Browsers

The last example on the list is internet browsers. Be it Firefox, Chrome, or Safari, internet browsers need to accumulate cache to speed up website loading speed.


In some browsers, it is possible to remove cache directly on the browser’s settings. However, there are also browsers that create their cache on the computer.

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