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Why does my computer say I have over 300gb used in apps?

I have a 2017 MacBook Air and I'm getting so frustrated with how much storage my drive claims to be using. I don't locally store much on my laptop but it's saying I have over 300gb in apps used. How is that possible? How do I clear it?

MacBook Air 13″, macOS 12.6

Posted on Oct 20, 2022 9:00 PM

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7 replies

Oct 21, 2022 8:18 AM in response to Barney-15E

CleanMyMac is used by so many people and if you own a Mac, you kind of have to because apple is ridiculous with storage and finding subtle ways to get you to upgrade. I downloaded iMazing and found it was storing massive backups of my iPhone. Thanks for the ideas though. I would assume even if you create large files they'd be added into the overall size....

Oct 21, 2022 2:03 AM in response to AmandaPhotos

Would start by purging the application CleanMyMac which may part of the overall issue


Any Third Party Applications that will interfere with the normal operation of the OS,  is an invitation for disaster and comprising the Operating System


Certain Applications maybe available on the Apple Apps Store - this only means the Developer is prepared to pay Apple a portion on each sale. What the Application may do to the computer is up to the User to check this out before purchase


Any of the below should be removed as per Developers Instructions 


This will include CleanMyMac


Read some of the posting and arrive at your own conclusions.


Even after removing the offending application as per Developers Specific Instruction, a re-installation of macOS via the Recovery Mode may or may not be required.


This would effectively replace any removed or corrupted elements of the User Account ( Home Folder ).



Oct 21, 2022 10:26 AM in response to AmandaPhotos

CMM is considered by most of the experienced users in these forums to be akin to malware. It should be uninstalled according to the developer's instructions.


There is no reason to ever install or run any 3rd party "cleaning", "optimizing", "speed-up", anti-virus, VPN or security apps on your Mac.  This documents describe what you need to know and do in order to protect your Mac: Effective defenses against malware and other threats - Apple Community and Recognize and avoid phishing messages, phony support calls, and other scams - Apple Support.  


There are no known viruses, i.e. self propagating, for Macs.  There are, however, adware and malware which require the user to install although unwittingly most of the time thru sneaky links, etc.   


Anti Virus developers try to group all types as viruses into their ad campaigns of fear.  They do a poor job of the detecting and isolating the adware and malware.  Since there are no viruses these apps use up a lot of system resources searching for what is non-existent and adversely affect system and app performance.


There is one app, Malwarebytes, which was developed by a long time contributor to these forums and a highly respected member of the computer security community, that is designed solely to seek out adware and known malware and remove it.  The free version is more than adequate for most users.  


Oct 20, 2022 9:57 PM in response to AmandaPhotos

Take a closer look at the list of apps that are installed on your Mac. Do you recognize all of them? Do you use all of them? If no to either of these, you may want to consider deleting ones that you don't need. I would start by removing any "cleaner" or anti-virus apps as neither of these are required on Macs.


In the image you provided, you can see that Adobe apps take a considerable amount of storage space.

Why does my computer say I have over 300gb used in apps?

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