Clearing out storage (system takes 60%)

Discussion in 'Mac Basics and Help' started by espegelan, Dec 19, 2018.

  1. espegelan macrumors newbie

    Feb 10, 2015

    I've already read a large amount of forum posts about "System" holding up a large part of the storage, and I've tried every tip I found so far. But most posts and articles blames High Sierra and the Time Machine issue.

    Skjermbilde 2018-12-19 kl. 11.29.30.png

    I'm running the latest Mojave 10.14.2 on a mid 2015 MacBook pro. My time machine has just backed up, and I've deleted the local snapshots right after the backup. So at least I don't think it's Time Machine making the issue. I've also been through the User Library folder to look for unusually large folders, with no luck.

    I have to partition my mac with bootcamp, so I need as much space I can get. Any tip of how to clear up "System" would be highly valued. Would it for example help to format the hard disc (really don't want to do that).

  2. keysofanxiety macrumors G3


    Nov 23, 2011
    Download and run OmniDiskSweeper:

    She won't win any awards for prettiest application, but it does a very simple breakdown of what's taking up space on your machine. Can you screenshot the results before deleting anything please, just so I can ensure it's safe to delete? :)
  3. espegelan thread starter macrumors newbie

    Feb 10, 2015
    Sorry, forgot to do any screenshots, but this was a great tip! Thank you! I'm using a lot of Adobe software, and that have really taken a lot of cache space! Adobe Lightroom, an app I uninstalled a long time ago, had 87Gb of cache alone! Unbelievable..
  4. Fishrrman macrumors P6


    Feb 20, 2009
    Also try DiskWave:
    (it's free)

    Once you have it, open it.
    Go to preferences and set normally-invisible files to be visible.

    It will show you what is using the most space.

    Do you use Time Machine?
    Could the problem be with "local backups" or "local snapshots"?

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3 December 19, 2018