What's New in version 2.22.995:

  • Fixed a bug that caused a scheduled defrag to fail silently
  • Improved SSD detection for newer SSD devices
  • Improved SSD detection for laptops
  • Added new Privacy menu Installer
  • /L (list) switch now highlights SSDs
  • Added a warning when attempting to defrag SSDs
  • Added switch for forcing defragmentation of SSDs
  • Fixed text cutoff on the 'Defrag' button in Dutch
  • Added a warning when attempting to defrag SSDs
  • Fixed text bleeds in the installer for German and other languages

What's New in version 2.21.993:

  • Improved Analysis and Defrag performance.
  • Improved memory usage and management architecture.
  • Optimized 64-bit builds on Windows 8 and 10.
  • Improved update checking process.
  • Updated exception handling and reporting.
  • Improved localization and language support. *END*
  • Minor GUI improvements.
  • Minor bug fixes.

What's New in version 2.20.989

  • Improved SSD Optimize and Quick Optimize.
  • Improved Windows 10 support.
  • Optimized moving Files or Folders to end of drive.
  • Updated crash reporting architecture.
  • Optimized remaining time and benchmark calculations.
  • Minor GUI improvements.
  • Minor bug fixes.

What's New in version 2.19.982:

  • Added move Files or Folders to end of drive.
  • Improved SSD Optimize and Quick Optimize.
  • Added new scriptable /CHECKERRORS parameter to check drive for errors.
  • Added option to disable auto Benchmark after Defrag.
  • Improved localization support.
  • Minor GUI improvements.
  • Minor bug fixes.

What's new in version 2.18.945:

  • Added Disk Performance graphs to Statistics tab.
  • Added Quick Optimize for SSD.
  • Added ability to view information for different drives when an operation is in progress.
  • Improved Health tab loading speed.
  • Added new scriptable /UPDATE parameter for background updates. (Defraggler Professional only).
  • Improved detection of files without extensions in File list tab.
  • Minor GUI improvements.
  • Minor bug fixes.

What's New in version 2.17.898:

  • Added New Statistics tab.
  • Added Intel, Plextor, Micron and OCZ SSD optimization.
  • Added progress information to tray tooltip.
  • Improved time remaining calculation.
  • Enhanced Freespace Defrag procedure.
  • Improved memory usage.
  • Optimized benchmarking algorithm.
  • Added Indonesian translation.
  • Minor GUI improvements and bug fixes.

What's New in version 2.16.809:

  • Added Windows 8.1 support.
  • Added SSD optimization for Windows 8.
  • Added Samsung and JMicron SSD TRIM optimization.
  • Enhanced Solid State Drive detection accuracy.
  • Added additional SMART data to Health tab.
  • Improved search procedure for finding small files.
  • Updated translations.
  • Minor GUI improvements.
  • Minor bug fixes.

What's New in version 2.15.742:

  • Optimized performance of Analyze and Defrag on all OSs.
  • Improved Context Menu defrag features.
  • Added File Type and Last Modified Date columns to the File List.
  • Added progress information to Boot-time Defrag.
  • Improved handling of locked and read-only drives.
  • Improved management of unmounted drives.
  • Added additional drive information.
  • Minor GUI improvements and bug fixes.

What's New in version 2.14.706:

  • Added Freespace Defrag to scheduler.
  • Added single-click analysis of multiple drives.
  • Added support for UDF file systems.
  • Improved searching with wildcards.
  • Improved shell extension on 64-bit systems.
  • Improved GUI navigation.
  • Fixed minor bug in the monthly scheduler.
  • Minor improvements and bug fixes.

What's New in version 2.13.670:

  • Added Quick Defrag scheduling.
  • Added Fragmentation Threshold to scheduled defrag options.
  • Added option to close Defraggler after defragmentation is complete.
  • Added support for 3TB external drives.
  • Added support for drives with allocation units greater than 4KB.
  • Added support for ReFS file systems.
  • Updated translations.
  • GUI and usability improvements.
  • Minor bug fixes.

What's New in version 2.12.628:

  • Added Windows 2012 Server support.
  • Added support for drives mounted as NTFS junction points.
  • Scheduled defrags can now be prevented if specific processes are running.
  • Improved placement of fragments larger than 100MB.
  • Added advanced crash reporting.
  • Updated translations.
  • GUI and usability improvements.
  • Minor bug fixes.

What's New in version 2.11.560:

  • Added support for Windows 8.
  • Added Minimize to Tray.
  • Added right-click Move File to end of Drive feature.
  • Improvements to Free space calculation.
  • Fixed exclusions in df.exe.
  • SSD drives are now handled correctly when drives are queued for defrag.
  • Improved drive map block calculation for very small drives.
  • Shortcuts are now correctly interpreted when calculating fragmentation levels.
  • Improved support for /minpercent parameter for df.exe.
  • Minor GUI improvements.
  • Minor bug fixes.

What's new in version 2.10.424:

  • Defragmentation speed improved by up to 30 percent.
  • Optimized free space algorithms.
  • Re-architected scheduling manager.
  • Improved the fragmentation calculation during Defragmentation.
  • Fixed keyboard support for scheduler.
  • Minor UI tweaks.

What's New in version 2.09.391:

  • Added Defrag Time Remaining.
  • Improved formatting of Smart data.
  • Smart data can now be copied.
  • Updated support for McAfee Endpoint Encryption.
  • Performance improvement on Windows 8.
  • Improved accuracy of SSD detection.
  • Improved unicode support for export file list.
  • Fixed issued that caused the Benchmark button to disappear.
  • Benchmarking info is now included in the export file list.
  • Improved usability in Options dialog.
  • Added Latvian language.
  • Minor bug fixes and tweaks.

What's New in version 2.08.373:

  • Added Disk and File benchmarking.
  • Added Volume Shadow Service (VSS) compatible mode.
  • Improvements to disk health tab.
  • Added Real Value information to SMART data.
  • Health tab now supports Fahrenheit.
  • Improvements to SSD detection.
  • Minor fixes to scheduler stop commands.
  • Minor defrag algorithm improvements.
  • Translation fixes.

What's New in version 2.07.346:

  • Added Drive Health information.
  • Improved detection of SSD drives.
  • Improved scheduler when the computer is idle.
  • Fixed unnecessary creation of scheduler.his files.
  • Improved uninstallation of shell commands.
  • Fixed issue that could cause GDI leak in the Options dialog.
  • Several small stability fixes for Windows 7.
  • Macedonian language added.
  • Minor bug fixes and improvements.

What's New in version 2.06.328:

  • Added advanced options to schedule (timeout, idle time).
  • Fragmentation calculation can now be customized.
  • Improvements to file placement algorithms.
  • Defraggler can now be assigned as the default defrag tool for Windows.
  • Added enable/disable shell extension.
  • Fixed issue that could cause df.exe to abort unexpectedly.
  • Scheduler now displays the time it last ran.
  • Improvements to non-English translations.
  • Fixed incorrect tab-stop order in scheduler dialog.
  • Added support for Kurdish language.
  • Minor bug fixes and improvements.

What's New in version 2.05.315:

  • Improved defrag speed of large files in 32-bit OSs.
  • Improved drive analysis speed.
  • Improved Solid State drive detection.
  • Fixed bug with incorrect position of Defraggler item in file/folder context menu.
  • Added option to enable/disable shell extension.
  • Fixed problem with df.exe sometimes aborting.
  • Fixed file type exclusion bug.
  • Added support for the Kurdish language.
  • Added last scheduled defrag information.
  • Shell extension fixed to work correctly with UAC.
  • Translation fixes.
  • Online Help link fixed.
  • Minor bug fixes.

What's New in version 2.04.297:

  • Added Windows Explorer extension for analysis and defrag.
  • Added option to shutdown the system after finishing a scheduled task.
  • Added minimum drive fragmentation percent parameter '/minpercent' to df.exe.
  • Improved 64-bit drive analysis speed.
  • Added missing strings to translations.
  • Minor bug fixes.

What's new in version 2.03.282:

  • Added support for Windows 7 SP1.
  • Improved file shuffling algorithm (allows Defraggler to move files out of the way).
  • Vastly improved the speed of the file list for FAT drives.
  • Faster start/stop processes for FAT drives.
  • Improved support for low RAM situations.
  • Drive map block size can now be updated dynamically.
  • Fixed bug that could cause shutdown to fail with Freespace Defrag.
  • Improved results in Search tab when 'Include non-fragmented files' is checked.
  • Better support for very long non-English strings.
  • Better keyboard support in the File List.
  • You can now navigate tabs using Ctrl-Tab.
  • Improved support for non-standard Windows colors.
  • New extensions to be moved to the end of the drive are now checked by default.
  • Better handling of delimiters in exclude list.
  • Minor tweaks and fixes.

What's new in version 2.02.253:

  • Improvements to speed and accuracy of the search algorithm.
  • Redesigned NTFS processes for optimized speed and memory.
  • Improved event handling with Windows 7.
  • Improved scheduling for non-admin users.
  • Fixed issue that caused drive icons to disappear from the drive list.
  • Fixed issue that caused the Analyze button to be incorrectly drawn during long tasks.
  • Improved handling of long non-English strings in options dialog.
  • Fixed issue with fragmentation percent when drive contains sparse files.
  • Moved about dialog to a separate window.
  • Improved error logging in Windows 7.
  • Minor GUI changes and tweaks.
  • Minor bug fixes.

What's New in version 2.01.239:

  • New Scheduler - Set a defrag on login, idle or specific intervals.
  • Improved memory use on Windows 7 with lots of files.
  • Improved placement of large files on exFAT.
  • Improved caching of column sort options.
  • Fixed prompt when attempting to empty the recycle bin on Vista 64.
  • Added link to online docs (Help > Online Help).
  • Added hot-key for Quick Defrag.
  • Minor bug fixes.

What's New in version 2.00.230:

  • Added offline defragmentation of system files during boot process.
  • New Drive Map with custom colors and styles.
  • New improved defragmentation engine.
  • Improved Windows 7 compatibility.
  • Lots of minor GUI improvements.

What's New in version 1.21.209:

  • Added Free Space defrag to the command-line app.
  • Internal library updates.
  • 64-bit compiler optimizations.
  • Fixed the flicker on the main window tabs.
  • Changed internal links to
  • Improvements to translations.

What's New in version 1.20.201:

  • Improved drive map updating.
  • Improved 64-bit memory addressing.
  • Improved Quick Defrag file algorithms.
  • Improved handling of Windows styles.
  • Fixed bug with MFT buffer zone.
  • Added prompt on exit when long tasks are running.
  • Many improvements to UI when using non-English.
  • Added Georgian translation.
  • Minor stability fixes.

What's New in version 1.19.192

  • Added queueing of multiple drives.
  • New option to disable caching of drive analysis data to improve memory usage.
  • Improved placement of files in Quick Defrag algorithm.
  • Improved Windows 7 support.
  • Lots of other small tweaks and fixes.

What's New in version 1.18.185:

  • Optimized and bug fixed defrag with large numbers of small files.
  • Optimized 64-bit memory usage.
  • Drive map is no longer blocked by background operations.
  • Simplified the drive map highlighting to make it faster and more memory efficient.
  • Fixed control sizes on file search form.
  • Fixed issue with exclude files dialog.
  • Fixed a few missing translations.
  • Fixed bug displaying filenames containing ampersands.
  • Improved memory leak detection mechanism.
  • Lots of minor bug fixes.