TestDisk 6.6 Release

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February 17th, 2007
I am pleased to announce the TestDisk and PhotoRec 6.6 release.
TestDisk is a powerful free data recovery program! It was primarily designed to help recover lost partitions and/or make non-booting disks bootable again when these symptoms are caused by faulty software, certain types of viruses or human error (such as accidentally deleting your Partition Table).

PhotoRec is file data recovery software designed to recover lost files including video, documents and archives from Hard Disks and CDRom and lost pictures (thus, its 'Photo Recovery' name) from digital camera memory. PhotoRec ignores the filesystem and goes after the underlying data, so it will still work even if your media's filesystem has been severely damaged or re-formatted.

You can download the latest version from https://www.cgsecurity.org/wiki/TestDisk_Download.

General Improvements

  • Encase Expert Witness Compression Format is now supported, so Computer Forensic Experts can use TestDisk and PhotoRec more easily.
  • Under new Vista OS, harddisks are now being reported again.


  • If LBA48 support seems missing (HD bigger than 130 GB not supported by the OS), TestDisk will warn the user. This problem is common when a user reinstalls his OS and forgets to install the latest service patches.
  • NTFS: TestDisk should be able to list files from NTFS partitions even if some filesystem corruption has occurred; more importantly, it will allow the user to copy whatever file data it can as well.
  • FAT: Improved heuristics to find the first FAT area during boot sector rebuild.


  • A new method for handling fragmented data is now used, making recovery more reliable and faster.
  • PhotoRec can be set to search for files in FAT16/FAT32 unallocated space only; which avoids wasting time recovering files that are still accessible, making the recovery of 'lost files' much faster and more efficient.
  • New file formats have been added:
    • .3g2 (Mov video family)
    • .aif Apple Audio
    • .all .cpr Cubase Song
    • .blend Blender
    • .cam Casio QV Digital Camera Image
    • .flac Free Lossless Audio Codec
    • .mdf Microsoft SQL
    • .swf Macromedia Flash
    • .vcf VCard (not confused with .txt anymore)

Link to TestDisk & PhotoRec 6.5 release notes