What is the Disk Expert?

Disk Expert is a disk usage analyzer for Mac that allows you to see what is taking up the most space on your disk. Disk Expert discovers the bulkiest content and generates a list of the largest files on the scanned volume. You can then remove, move, or copy old unwanted files to recover valuable disk space.


What are the system requirements for Disk Expert?

Disk Expert is compatible with macOS 10.10. and later.


Can I scan external volume with Disk Expert?

Yes. Disk Expert is a disk usage utility for Mac with support of external hard drive volumes, Flash drive volumes, CD & DVD disks and any other external storage disks, including cloud storage.


Can Disk Expert scan my Dropbox folder?

Yes, you can scan your Dropbox folder and any other folder or other cloud storages connected to your Mac.


Can I see the list of the biggest files on my Mac with Disk Expert?

Yes. Disk expert displays a list of the largest items arranged in descending order of size. You can see them on the right section of the app’s window.


Can I open folders in Finder right from the sun-burst diagram?

Yes. Use the “Reveal in Finder” command in the context menu, the Command(⌘)+O shortcut or press the Command (⌘) key and click on a folder on the diagram.


Can I quickly preview the files and folders right from the sun-burst diagram?

Yes. Use the “Quick Look” command in the context menu or Command(⌘)+Y shortcut.


Is it possible to search for FileVault folders?

Yes, Disk Expert allows you the possibility of scanning File Vault folders.


Is it possible to get detailed information about each file and folder?

Use the “Get Information” command in the context menu or use the Command(⌘)+I key shortcut.


Can Disk Expert be used on SDD on the new MacBook Air?

Yes. Disk Expert supports HDD volumes, CD and DVD discs, removable USB drives, mounted DMG images and even folders with FileVault protection.


Finder and Disk Expert display different sizes for the same folder. Why?

Usually, Finder simplifies the counting size for folders, especially for empty folders. Disk Expert counts that folder’s size. There are some other minor differences in counting folder size.


Does Disk Expert display hidden files on my disk?

Yes. Disk Expert displays the disk usage and hidden system files on your disk. However, the app does not allow you to remove these files, as removal of system files may damage your system. If you are sure you want to remove hidden files, you can reveal them in Finder and operate them.


How long is my license valid for?

The license for the current version of the Disk Expert is a one-time-purchase for an unlimited period of time. Minor updates are free; major upgrades might come at upgrade cost.


How do I activate the license key for Disk Expert?

In the Menu Bar click on Disk Expert → select License info…→ copy and paste your key in the key field and click the Activate button. In a moment, your license will be activated.


I bought a license on the website but did not receive a license key. How do I get the key?

Once you purchase a license key for the app, the license is automatically sent to your registered email address. In case you don’t see the message, please, check your Junk or Spam folders.
If you purchased with PayPal, the email is sent to the address registered with PayPal.
It is also possible that you registered an incorrect email address. In this case, please contact our support team at [email protected]. We will check and send you your license.


How many computers can I use a single Disk Expert license on?

You can use one Disk Expert license on up to 2 Mac computers.


How do I transfer my license from the old Mac to a new one?

Completely uninstall the app on the old Mac. Then install the app on a new Mac using the same license key.


How do I uninstall Disk Expert?

If for some reason you need to uninstall Disk Expert, follow these steps:

  1. Close Disk Expert
  2. Remove Disk Expert from the Applications folder.
  3. In Finder, press the Cmd+Shift+G shortcut and navigate the ~/Library folder.
  4. Go to the Application Support folder and remove the Disk Expert folder from there.
  5. Empty your Trash.

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