TreeSize Professional is a powerful disk management utility whose main aim is allowing you to know which files and folders take up the most of your disk space. The program thoroughly analyzes your disk(s) and offers you very detailed information about their contents in several practical ways like charts, detailed lists, and treemaps. Then, you can export them in various formats.
The same installer allows you to install the personal and the professional editions of the program, being the latter capable of analyzing even network drives and UNC paths. Likewise, when you run the program you are asked whether to run it in standard or in administrator modes. Of course, the second is the advisable option if you are an advanced user, as the standard mode won't be able to analyze some system and/or hidden folders. As soon as you run the program, you will see a pie chart showing you the disk space usage of each folder in your system partition (e.g. C:\), in a percentage format. Unfortunately, the quantity of elements, options and configurable parameters might be intimidating for beginners or even standard users.
The program is characterized by a ribbon user interface whose options vary depending on the view you select. The available views are Chart, Details, Extensions, Users, Age of files, Top 100 files, and History. The Chart view can be rotated among Pie chart, Bar chart and Treemap, all with the 3D effect enabled or disabled. As for the details view, it shows you a list of the files and folders of the selected disk/location, with a very detailed level of information. Anyway, whatever view you select, you always have a left panel where your files and folders are listed with background bars that show you their relative sizes. By the way, you can select whether to display the sizes in Gigabytes, Megabytes, Kilobytes, or simply let the program select the best unit for each case.
Besides allowing you to know the size and disk space usage of your files and folders at a glance, TreeSize Professional offers you many more additional functions. For example, you can use it to clean up your disk, use its File Search tool to locate duplicate files, create snapshots of your disk's current status for later comparison, defragment your disk(s) and schedule automatic system scans. Also, you can use it as a file manager, as you can easily copy, move or delete files among many other useful tools and features.
To cut a long story short, TreeSize Professional is a very comprehensive software tool that helps you manage and optimize your disk(s) space in several helpful ways. While the program might be a bit expensive for most users, I would say it is a must-have for system administrators and IT professionals. The program includes native editions for both 32-bit and 64-bit editions of MS Windows.
v8.0 [Aug 12, 2020]
- The component for managing the installation key has been renewed. This fixes issues that some customers have experienced with the Windows Address Space Layout Randomization (ASLR) security option, Carbon Black security software, and Lumension Endpoint Protection. Therefore, all customers need new installation keys for V8, which are available through our customer area.
- A new dialog for selecting a scan targets has been added. Even complex paths and URLs can now be compiled with a few clicks.
- A search box at the top of the main window (available in Windows 10), as well as in the Options dialog, now allows searching for actions or settings quickly and conveniently.
- Scans of network drives are now up to ten times faster.
- Explicitly added network drives and UNC paths are now displayed in the drive overview even if they are currently not accessible.
- The function for restricting the view to one file extension has been improved and allows a restriction to a complete file group.
- The "Name" column is no longer scrolled out of the visible area in all lists. This makes it easier to view tables with many activated columns.
- Screen scaling for multiple monitors with different resolutions has been improved.
- If a drive locked with BitLocker is scanned, the dialog for entering the password now appears automatically if the drive has not been unlocked yet.
- Bugfix: The progress bar when comparing a scan with another path now starts at 0 instead of the number of files in the original scan.
Directory Tree:
- The small progress bar in the directory tree has been visually modernized. It now scales correctly on high-resolution monitors for which Windows screen scaling is enabled.
- A file selected in the directory tree is now opened or executed by pressing Enter.
Details list:
- In the Details list, checkboxes can now be displayed for the individual elements to simplify complex selections. File operations such as copy, move, rename or delete can then be applied to the selection.
- The background context menu of the Details list has been extended and now allows further actions, such as creating a new folder.
- The preview pane on the right of the Details list and the File Search results now shows more metadata, like: File version, keywords, "Last Saved By" for office files, etc.
- For EML, EXE and DLL files, the "Author" column now shows available values of the file.
Charts:
- All charts that show a part of the directory hierarchy now have a button to navigate up one level in the hierarchy. As before, you can navigate downwards in the hierarchy by double-clicking an element.
- The history now offers the option to display sizes of older scans for which different filters were used in the scan options, which may limit the comparability of results. The new option "Ignore Scan Filters" can be found in the ribbon bar "History" under "Show".
- An error was fixed in the file age statistics for the number of files displayed.
- The pie, bar, and tree map charts now also take a restriction to a file extension or a user into account and thus show the same values as in the directory tree and the Details list.
SharePoint:
- TreeSize now also supports multi-factor authentication when accessing SharePoint Online.
- The number of versions of files on a SharePoint are now correctly displayed in the corresponding column of the details list.
- When examining SharePoint servers, the file attributes are now determined correctly.
- For files and folders on SharePoint servers, available values are now displayed in the "Description" column.
- TreeSize now also supports the display of free and total available disk space on SharePoint pages.
Amazon S3:
- The syntax to scan all available Amazon S3 buckets has changed from s3:// to s3://* to be more consistent with similar cases. If you supply credentials within the URL please use: s3://Key:Hiddenkey@*
- You can now also delete folders from Amazon S3 Storage that contain non-empty subfolders.
SSH / Linux Scans:
- The available file operations for SSH scans have been extended. For example, it is now possible to create new folders in scanned SSH structures.
- SSH scans now support the ECDSA host key algorithm.
- The "Permissions" column now also shows the file permissions for SSH scans using the common Linux/Unix format. This applies to all lists in which the "Permissions" column is available ("Details", "Top 100 Files", file search result lists).
Export:
- Column headers are no longer truncated when exporting to text format and plaintext emails. Instead, they are wrapped to multiple lines if necessary.
- The file export in HTML format now includes all graphics in the HTML file. Previously, graphics were stored as individual files next to the .html file. As of now they are embedded. This change makes it more convenient to move or forward HTML exports. For technical reasons, this increases the runtime for HTML exports and the size of the resulting HTML file.
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