Methods for Discovery What is Occupying Space on Your Hard Drive
- Michael Johnson
- Aug 29, 2024
- 3 min read
Locating substantial files can be challenging, particularly when they are dispersed over various disks and directories. Nonetheless, with appropriate tools, identifying the files that occupy the most space becomes an uncomplicated endeavor.

Utilize Third-Party Disk Space Analyzers
Disk space analyzer applications examine your storage drive and categorize data by size in descending order, positioning the largest files at the forefront. This facilitates the identification of the data that occupies the most space. I utilize the Disk Space Analyzer application for this purpose on macOS, but on Windows, I employ TreeSize.
Utilizing Disk Space Analyzer on macOS
Obtain and install the Disk Space Analyzer application from the App Store.
Initiate the application, choose the storage device to be scanned from the left sidebar, then click on Start Scanning.
Authorize all required permissions and permit the application to finalize the scan.
Choose the data for removal, click Review to Remove, and then pick Remove.
Execute these instructions for all substantial files.
Instructions for Utilizing TreeSize on Windows
Acquire and install the TreeSize application.
Execute the application with administrative privileges, navigate to the Scan menu, select Directory, and specify the desired drive for scanning.
Please hold; the application will present huge files arranged in descending order by size.
Expand the directories occupying the most space and eliminate superfluous files to liberate storage capacity.
Click the header of the Last Modified column to view huge files that have not been accessed recently.
Review the list and eliminate any unnecessary huge files.
Utilize the Integrated Tools of Your Operating System
If you choose to avoid third-party applications, Windows and macOS provide integrated tools to assist in scanning for and removing huge files.
macOS
Select System Settings from the Apple menu located in the top-left corner.
Access General > Storage, where macOS will present the apps, documents, and system data utilizing storage capacity.
Select the information icon (ⓘ) adjacent to the data type consuming the most storage, choose the file or application for removal, and click Delete.
Microsoft Windows
Right-click the Start button and select Settings.
Navigate to System > Storage and allow Windows to analyze data usage based on storage consumption. Access directories such as "Other" or "Installed Apps" to identify the objects occupying the most storage, arranged in descending order by size.
Eliminate superfluous data to liberate storage capacity.
It is also possible to do a manual search for huge files within designated folders. Choose the drive or directory to scan on Windows, enter "size: gigantic" in the search window, and sort the results by file size to identify the largest files. On macOS, choose the directory to scan and enter "size:>size in bytes" in the search bar. macOS will exclude files over that size.
Remember These Unconventional Space Hogs
While assessing folders and applications that occupy significant space on your storage drive, be vigilant for duplicate files, as they unnecessarily eat valuable storage capacity. For further details, consult our tutorial on locating and eliminating duplicate data from your Windows PC or macOS device.
If you have previously utilized virtual machines, it is advisable to verify whether they are consuming substantial capacity on your device. Consider using the "dynamically allocated storage" option for virtual drives if your virtualization software provides it. This feature enables virtual machines to utilize only the storage they require instead of the complete assigned capacity.
Backups can consume substantial storage space due to the duplication of extensive data, retention of several file versions, and inclusion of redundant information for security purposes. Regularly conducting complete backups rather than incremental ones can increase storage requirements. Transition to incremental backups and decrease the frequency of your backups to mitigate this issue.
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