• See Every File Size Mac App Download
• See Every File Size Mac Application

By default, the Finder's list view only shows you the size of individual files—not of folders. This small, somewhat hidden setting will calculate the size of entire folders so you can see. Mac tip: 3 ways to check the size of a file. Finding the size of a file in MacOS isn't always obvious. Here are three ways you can check. Aug 10, 2018  A much better interface is the Storage Management app built into macOS, which displays all files sorted by size, and shows the date you accessed them last: The Storage Management app has some other useful tools, as well. You can use it to configure iCloud storage and set your Mac to empty the Trash automatically, for example.

See Every File Size Mac App Download

As mentioned by Michael Clark in his post Finder Security Bug or Feature?, the freeware application WhatSize is a quick and easy tool for measuring the size of a given folder and all subfolders and files within it. But WhatSize can only measure based on the permissions of the user who launches it, so you will not be able to measure the size of other user accounts nor folders with special permissions like the root level ‘private’ or ‘.Spotlight-V100’ or other directories inside /System. But here is a way for WhatSize to measure every file on your HD, regardless of permissions:

1. Launch Terminal and type sudo followed by a space
2. Right-click on the WhatSize application and choose Show Package Contents
3. Open the Contents/MacOS folder within to find the WhatSize unix executable file
4. Drag that file onto the Terminal window and from within that window, press return
5. Enter your administrative password when prompted

The Terminal will fill with some code and WhatSize will now launch, seemingly normally. The difference is that it now has superuser privileges and can read every directory on your hard drive if you ask it to measure. You might be surprised at the difference between folder sizes, especially if you have multiple user accounts on your machine.

But be careful while you’re looking around in this way! Because if you choose a file and hit the Delete button, WhatSize will delete it as the root user and it won’t go in your user account’s Trash to be emptied. I recommend using the Reveal in Finder command and then sending the file to the trash from the Finder, where you’re using your regular user permissions.

Also, don’t close the Terminal window while you’re still running WhatSize, or it will quit WhatSize. Instead, use WhatSize’s File>Quit command, then close the Terminal window.

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See Every File Size Mac Application

So if you really, truly want to know exactly what all your space is being used for, run WhatSize with the Terminal’s sudo command.