There are all sorts of things that might be taking up a lot of space on your drive, and the only way to definitively find out what’s clogging yours is to dive into Disk Inventory X’s results. You can check out our guide for information on how to clear those out.

If you have any iOS devices that you sync with iTunes, old backups can eat up a decent amount of space in ~/Library/Application Support/MobileSync/Backup.

Delete any raw footage you don’t need anymore.

If you work a lot with video files, you’ll probably notice that they take up more space than anything.

You can disable that feature to free up some more space (though it is handy to have).

If you use Time Machine to back up your Mac, Time Machine’s local backups might be taking up space.

Disable the feature to delete those files.

If you use local Voice dictation to talk to your Mac, you’ll find that the speech recognizers in /System/Library/Speech take up a gigabyte or two.I haven’t had any luck disabling this feature in macOS Sierra. If you’ve got a lot of RAM, there’s a large file called “sleepimage.” The contents of your memory is written to this file when your Mac hibernates, and if you delete this file it will just come back later.Here are a few large files I found on my Mac, just for reference. As you explore your disk’s contents, you’ll probably notice a few things you don’t recognize. We’ve shown you a few ways to free up disk space on your Mac, including emptying the trash and deleting extra languages.

RELATED: How to Free Up Disk Space on a Mac Together, these two panels can give you a clear idea of what, exactly, is taking up all of your storage. You can also browse the folder structure, giving you a clear idea of which directories are taking up most of your memory. I suggest taking a good look at the visual representation, and clicking anything that seems unusually large: the bigger the box, the bigger the file.

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