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TestDisk is free data recovery software designed to help recover lost partitions. It can be used when attempting to recover files from a USB key that has become corrupt.

Current version available: refer to TestDisk website


  • Windows Yes
  • Macintosh  Yes
  • Linux Yes

Does NUI, Galway have a site licence for TestDisk software?

No. TestDisk is OpenSource software and is available free to downloadThis download link to TestDisk is provided for information only and is not officially endorsed by Information Solutions and Services.

How can I get TestDisk software for my computer?

TestDisk is available free to download

TestDisk installation instructions

  1. To install software on your machine you must login as an administrator
  2. Download ZIP file 

  3. Extract files as prompted to a new file location 
    Note: download an evaluation copy of WinZip if no program is available to extract files on your computer

Use TestDisk to recover data from USB key

  1. Connect USB key to computer as normal 

  2. Go to the new TestDisk file location, open the folder win and run testdisk_win.exe 

  3. Select Create to create a new log file 

  4. All storage areas will be shown, select the USB key and proceed 

  5. Select the partition table – normally this is Intel for Windows computers
  6. Select Analyse 

Where can I get technical support about TestDisk?

Support and documentation is available from TestDisk