What is New in TreeSize Free?

New functions

• Installation is now also possible if the user does not have admin rights on the machine on which the installation is being carried out. As with a Windows Store app, the application is installed in the user profile. Users with admin rights are asked during the initial installation whether they want to perform a privileged installation for all users or continue without admin rights.

• You can now access TreeSize Free in the Windows 11 context menu in the File Explorer.

Improvements

• The scan performance has been improved drastically again in most situations.

• The list of recently scanned paths can now be deleted.

• TreeSize Free now uses a treemap chart to visualize disk space capacities by default.

Error corrections

• Due to a double assignment of the shortcut Ctrl+N no new instance could be created. The new shortcut is Alt+N

• The handling of links created by the Windows Container Isolation system, referencing other directories has been corrected. Such links no longer count like normal directories.

• An error that occurred in "Touch" mode when opening the list of unscanned files has been fixed.

• The start menu entry for help has been corrected.

• The dialog for searching in the directory tree now shows the correct progress again.

• An unexpected entry was created in the start menu when the application was started. This entry is no longer created.

• When shrinking the window, it could happen in certain situations that the tile diagram became invisible. This bug has been fixed.

Other

• TreeSize Free now collects anonymous usage data to ensure the quality of the application and further development. You can deactivate the collection of data in the options.

• TreeSize Free is no longer usable under Windows 8 & Windows 8.1.

10/06/2025

• The setting that allows large folders and files to be marked in bold can be correctly deactivated again.

• The column width in PDF exports has been optimized. It is now comparable to the respective width in the user interface, regardless of the scaling of the monitor.

• A bug that could cause the user interface to freeze in rare cases has been fixed.

• The use of TreeSize Free on a Windows server is no longer supported. We recommend TreeSize Professional.

05/07/2024

• The TreeSize Free context menu in the Windows File Explorer is now removed correctly when the product is uninstalled.
• Duplicate context menu entries in the Windows File Explorer are removed and only one entry is created in the current language of the user.
• Other minor corrections and improvements have been made.

02/29/2024

• TreeSize Free now allows you to run updates from within the app. This means that new versions do not have to be downloaded and installed manually.
• Fixed a bug that prevented the main window from being set smaller than the default size.
• In rare cases, an error could occur when displaying popups. This has been fixed.

10/31/2023

• TreeSize Free now supports the creation of new folders.
• The settings on the columns of the Details list can now be reset to the default settings from within the application.
• Some usability improvements have been made to the application. Among other things, the filter dialog is now located on the "Scan" tab in the same way as in Personal/Professional.
• The look of the filter dialog has been revised.
• An error that could occur in some cases when deleting the [Files] node has been fixed.
• In rare cases wrong actions were listed in the quick access bar after an update of TreeSize Free. This has been fixed.
• Other minor bugs have been fixed.

08/14/2023

• An access violation that could occur when performing file operations was fixed.
• Previously created filters are now persisted.

12/23/2022

• The previous Microsoft Store version of TreeSize Free is no longer available. Future releases from this version on will be published in a new project, which can be found in the Microsoft Store as usual. Please note that the old version will not be uninstalled automatically.
• The set sort order is now saved even without activated detail columns and restored at program start.
• Updating from V4.5.3 to V4.6.1 resulted in an incorrect entry in the list of installed apps in Windows. This has been fixed.

11/30/2022

• Update installations are now using the path of existing 32-bit installations, so that older versions are replaced again as usual.
• The line height on high-resolution monitors was too small, this has been corrected.
• An error that occurred when scanning a disk mounted in a folder has been fixed.

09/20/2022

• With TreeSize Free, individual PDF reports can now be created. The columns are exported as they are displayed in the Details list.
• The columns of the Details list can now be activated and deactivated via a new dropdown menu in the “View” tab.
• A new drop-down menu in the “View” tab offers a wider range of sorting options for the Details list.
• TreeSize Free is now provided as a 64-bit application. This avoids rare compatibility problems under 64-bit operating systems, and the usable memory is no longer a limit for scanning very large file systems. If you still have a 32-bit Windows operating system, please continue to use V4.5.
• The dialogue for adding scan filters has been renewed. The new dialogue is more user-friendly and offers additional functions for combining filters.
• The export and print options can now also be adjusted in the “Scan” tab.
• TreeSize Free is now also available in other languages: Norwegian, Romanian, Turkish, Bulgarian and Danish.
• A bug that throws an exception when opening the error list when the dark mode is active has been fixed.
• Fixed an error when compressing multiple files at the same time.

08/22/2022

• Fixed a rare error message when deleting files.
• The processor load after deleting many files has been reduced.

11/29/2021

• Fixed a rare error when starting a new scan.
• An error that occurred when scanning locally synced OneDrive libraries has been fixed. The contents of the folder are now correctly included in the scan results again.

08/24/2021

• Changes to columns such as the width or visibility are now saved again and restored on restart.
• In rare cases, an error could occur when TreeSize Free processed changes from the file system. This has been fixed.
• Any errors when changing NTFS compression are now handled and displayed after the operation is complete.

07/19/2021

• The previous touch interface in Metro look has been removed. Instead, TreeSize Free uses the classic UI now and resizes the icons and fonts. The behavior when switching to Windows tablet mode is now nearly identical to Windows 10 Explorer.
• The support for Windows Vista and Windows 7, as well as Windows Server 2008 and Windows Server 2008 R2 has been discontinued with this release. For these outdated operating systems, V4.4 remains available for download on our homepage.
• If multiple elements are selected in the directory tree during a PDF export, exactly the selected elements are now exported as a list.
• The display on high-resolution screens has been improved.
• An error when closing the preview window for the folder content via the escape key became fixed. This preview is available as an option.
• The display of selected elements in the status bar has been improved. Selected items in selected subfolders are no longer counted twice.
• The dialog prompting whether TreeSize Free should be restarted as administrator if a folder could not be accessed during the scan is now also operable via keyboard if TreeSize Free was started from the Windows Explorer context menu.
• The free and the total storage space is now displayed in the status bar also for mobile devices.

07/02/2021

• The installation of TreeSize Free under Windows Vista and Server 2008 now works again as expected.
• A possible error when deleting files was fixed.
• An error that could occur under very special conditions when scanning local drives as administrator was fixed.
• A rare error when stopping a running scan was fixed.
• A rare error when switching from classic to touch-optimized view was fixed.

06/04/2020

• The color scheme for the dark app mode has been improved and adapted to the color scheme of Windows Explorer.
• A bug concerning switching NTFS compression on/off has been fixed.
• In rare cases, an unhandled error could occur while scanning a drive. This error has been fixed.
• A few minor fixes and improvements have been incorporated.

11/21/2019

• TreeSize Free now supports a Dark Mode. (This feature requires Windows 10 Version 1809 or later.)
• TreeSize Free is now also available with Greek, Finnish, and Slovenian translations.
• A new option on the contextual treemap chart ribbon tab allows you to configure, if drag & drop operations shall be allowed. This option is disabled by default to avoid unintentional move operations.
• A selected file will now be opened or executed by pressing "Enter".
• Several minor bug fixes and improvements have been incorporated.

10/28/2019

• TreeSize Free is now also available with European Portuguese and Brazilian Portuguese translation.
• The support for the high contrast mode in Windows has been improved.
• Bugfix: A possible error when deleting files has been fixed.
• Bugfix: Under specific circumstances, the treemap chart may not have been updated correctly. The chart now shows the selected content as expected.
• Bugfix: Analyzing local read-only drives as administrator now works correctly again.
• A few minor fixes and improvements have been incorporated.

02/14/2019

• TreeSize Free now supports exporting the result data of a scan to a PDF file.
• TreeSize Free can now show customized folder icons optionally.
• A new option to highlight large elements has been added. By default, TreeSize Free shows files and folders in bold that make up at least 15% of the overall scan.
• TreeSize Free is now also available with Czech and Swedish translation.
• Bugfix: Using Shift + Delete will now delete the files permanently again instead of moving them to the recycle bin.
• Bugfix: The shortcut Ctrl + X to cut the selected files to the clipboard now works again as expected.
• Bugfix: Aborting a deletion process no longer removes the affected elements from the view.
• Bugfix: The position and size of the Treemap chart is now persisted and restored correctly on the next start of TreeSize Free.
• Bugfix: The label assigned to a drive is now shown again.
• A few minor fixes and improvements have been incorporated.

01/23/2019

• TreeSize Free is now also available with Italian, Russian, Chinese (Traditional), Dutch, and Ukrainian translation.
• A few minor fixes and improvements have been incorporated.

08/14/2018

• TreeSize Free asks again for confirmation before deleting data, according to the settings in Windows.
• A possible error when starting the portable version on German systems has been fixed.
• A possible error when trying to analyze complete drives with the Windows Store version has been fixed.
• TreeSize Free no longer activates the Windows option „Show shadows under windows“.
• A few minor fixes and improvements have been incorporated.

07/27/2018

• TreeSize Free is now available with French, Spanish, Chinese, Japanese, and Portuguese translation.
  • More languages will follow.
• Increased the performance when scanning local drives as administrator (using the MFT) significantly.
• The element highlighted in the directory tree is now also highlighted in the treemap chart.
• TreeSize Free no longer integrates with the context menu for the recycle bin or ZIP-files.
• Updated the product icon for TreeSize Free.
• The progress of an ongoing scan is now also displayed in the status bar at the bottom of the window.
• Improved the support for high-resolution monitors and multi-monitor setups.
• Bugfix: When examining the OneDrive folder, subfolders were sometimes recognized incorrectly as symbolic links. TreeSize Free now scans the OneDrive folder as expected.
• Bugfix: Under certain circumstances, a shown context menu would refer to another entry than the one selected in the directory tree. This issue has been fixed.
• A few minor fixes and improvements have been incorporated.

07/11/2018

• Bugfix: When scanning a WebDav directory filenames may have been shortened and unexpected loops could have occurred. TreeSize Free now scans WebDav directories as expected again.
• Some servers with Samba 3 have been recognized falsely as Windows Server. It is now possible to scan shares on such servers using TreeSize Free, as long as it is not executed within a Windows domain.
• Under very specific circumstances the user interface of TreeSize Free could have been shown unexpectedly partly in German. This issue has been fixed.
• Bugfix: Several minor bug fixes and improvements have been incorporated.

01/18/2018

• The ‚long tooltip‘ has been restored as the default tooltip type. You may now select your preferred tooltip type, including the new content preview introduced with V4.1, directly on the ‘Options’ tab.
• Bugfix: The directory tree is now properly resorted after deleting files and folders.
• Bugfix: An unhandled exception, which may occur when deleting files, has been fixed.
• Bugfix: On Windows 7, TreeSize Free ran into an error, when minimizing the window during a running scan. This issue has been fixed.
• Bugfix: Several minor bug fixes and improvements have been incorporated.

12/08/2017

• TreeSize Free now allows forward and back navigation among the recently selected items.
• The extended filter mechanism now allows hiding empty folders from view.
• Folders and files that are compressed by the new compression methods of Windows 10 are now analyzed correctly by TreeSize Free.
• A new type of tooltip was introduced, which shows a preview of the content of the currently hovered-over element.
• The position of the treemap chart can now be switched to the bottom of the window. This increases the available space for details columns, with the treemap chart shown in parallel.
• TreeSize Free can now include a separate tile for the free space of a local drive in the treemap chart.
• The performance has been improved further when scanning a local drive or folder, or a remote location.
• Bugfix: Using the Windows Explorer's context menu for a mobile device to run TreeSize Free should now start the scan for the device as expected.
• Bugfix: Corrected the storing of the selected sorting. The sort direction should now be applied as intended.
• Bugfix: Several minor bug fixes and improvements have been incorporated.

11/14/2017

• Bugfix: As with previous versions of TreeSize Free, the date of last modification of a folder now represents the date of last modification of all of its contained elements again.
• Some minor improvements and bug fixes have been incorporated.

05/15/2017

• Bugfix: When using the ribbon interface TreeSize Free occasionally froze and didn't respond, or showed up a message saying TreeSize Free ran out of memory. This issue has been fixed.
• A few users prefer the toolbar user interface of v3 over the modern ribbon interface. To get back the old user interface, you may now run TreeSizeFree.exe once with the command line option: /UseRibbonUI false. More information about this topic is available in our knowledge base
• Some minor improvements and further bug fixes have been incorporated.

04/28/2017

• Bugfix: Custom settings made to the ribbon menu are now persisted and restored on next start of TreeSize Free.
• Bugfix: The portable version will no longer create an entry in the Windows Explorers' context menu by default. Users can still activate the context menu entry on the "Options" Tab
• Some minor improvements and further bug fixes have been incorporated.

04/03/2017

• TreeSize Free now offers the hierarchical treemap chart known from TreeSize Professional. It will help visualize data distribution on your system.
  • You can activate the treemap using the “Show Treemap” button on the “View” tab.
  • Customize the treemap charts view to focus on relevant information.
  • On the “Treemap” ribbon tab you can define a level of detail and select which elements will be included.
  • You can interact with the chart: Use the mouse wheel to zoom, double click to navigate to the selected folder, or simply hover over an element to show detailed information.
• TreeSize Free now uses the ribbon interface known from other applications like the Windows 10 Explorer or MS Office.
• TreeSize Free is now available via the Windows Store, replacing TreeSize Touch.
• TreeSize Free now uses a modern UWP-style layout for the touch-optimized UI.
  • Overlay menus and the new "Options" dialog increase the usable workspace.
  • The touch-optimized UI will now present itself windowed and can be moved/resized like other store apps for Windows 10.
  • The recently scanned paths are now available on the touch-optimized UI.
• The scaling for displays with high DPI values for both, classic and touch-optimized UI has been improved.
• The scan performance of mobile devices has been increased significantly.
• TreeSize Free now supports selecting multiple elements in the directory tree for mobile phones and cameras.
• Bugfix: Corrected the column layout in printed reports. It should now use the available size of an A4 page with portrait format.
• Bugfix: Several minor bug fixes and improvements have been incorporated.
• Please note: The support for Windows XP has been dropped. We provide the stable version for TreeSize Free V3.4.5 for Windows XP users.
• Please note: Since the U3 group has cancelled the system's development in June 2010, the support for U3 USB sticks has been dropped. If you require a portable installation, please select the ZIP file TreeSize Free Portable from our download section. This file will run directly from the USB device and does not require the U3 Launchpad.

03/27/2017