Data recovery and partition repairing are tasks that involve the usage of some specialized utilities that can work in sensitive areas of the system. When it comes to restoring lost data and rebuilding boot sectors, one of the tools that are created just for these purposes is TestDisk. "TestDisk & PhotoRec 7.1-WIP DC 15.04.2017 Portable"
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Runnable via command-line, the software checks disks and scans for errors, then allows you to choose the action you want it to carry out. With TestDisk you can analyze the partition structure and check if any lost partitions are to be found on the selected drive.
The program is also able to change the disk geometry and write to the first sector of the disk the MBR code. You can use the application for completely wiping all data from a partition and restoring non-bootable disks to their bootable form.
Insofar as the data recovery (undeletion) is concerned, TestDisk comes with support for several file systems, including some that are not common to Windows users. Thus, you will be able to restore files from FAT, NTFS, ext2 and exFAT file systems.
For systems with damaged or empty partition tables, the software offers the possibility to repair the issues. Furthermore, TestDisk can find missing partitions and creating a new table or rewriting a completely new MBR is also feasible.
Designed to be accessible for both advanced and less-experienced users alike, this utility has logging and debugging capabilities that can be easily used from the command-line. This means that TestDisk will gather all available information regarding the state of a drive and the information can then be used for analyzing and fixing the problems.
All in all, for anyone who needs to restore files or entire partitions, write partition tables for specific drives and other such tasks, TestDisk is definitely one of the best choices, especially since it is not hard to operate it.
TestDisk can Fix partition table, recover deleted partition Recover FAT32 boot sector from its backup Rebuild FAT12/FAT16/FAT32 boot sector Fix FAT tables Rebuild NTFS boot sector Recover NTFS boot sector from its backup Fix MFT using MFT mirror Locate ext2/ext3/ext4 Backup SuperBlock Undelete files from FAT, exFAT, NTFS and ext2 filesystem Copy files from deleted FAT, exFAT, NTFS and ext2/ext3/ext4 partitions. TestDisk has features for both novices and experts. For those who know little or nothing about data recovery techniques, TestDisk can be used to collect detailed information about a non-booting drive which can then be sent to a tech for further analysis. Those more familiar with such procedures should find TestDisk a handy tool in performing onsite recovery.
Whats New: == 7.1-WIP ==
== 7.0 ==
=== General Improvements === Various fix including security fix, to * Coverity scan (Static Analysis of source code) * afl-fuzz (security-oriented fuzzer). * Denis Andzakovic from Security Assessment for reporting an exploitable Stack Buffer Overflow
=== TestDisk === ==== Improvements ==== * exFAT: better support * ext4: handle 64 bit blocks or 64 KiB blocksize. Fix detection and file listing
==== Bug fixes ==== * Avoid erroneous error when writing 512 bytes on hard disk using 4k sector * FAT, NTFS: avoid NULL pointer dereference if localtime() returns NULL. Thanks to Graham Sutherland for reporting this bug.
=== PhotoRec & QPhotoRec === QPhotoRec is a Graphical User Interface (Qt based GUI) version of PhotoRec. More user friendly, it recognizes the same file formats.
PhotoRec remains recommended for advanced users, it can stop a recovery and resume it later, it recovers more fragmented files when brute-force technology is enabled and expert mode is available.
==== Improvements ==== * Reduced false positives for more than 80 file formats. * .gif: fix filesize detection * .flv: add Flash filesize detection * .mpg: detect filesize for MPEG * .ra: detect filesize for RealAudio3 * Improved algorithm to deal with data fragmentation resulting in a general speed increased * Speedup brute-force mode. Brute-force mode can recover more fragmented files, but it's still slow and not 100% reliable. You can enable it in PhotoRec Options menu.
New file formats recovered by PhotoRec: * .3dm: Rhino / openNURBS * .ari: ARRI Raw Video * .camrec: Camtasia Studio * .dad: Micae DVR * .dcm: Digital Imaging and Communications in Medicine (DICOM) * .fp12: File Maker Pro 12 * .kra: Krita * .mlv: Magic Lantern Video * .notebook: SMART notebook * .ora: Mypaint * .red: RED2 video format * .rlv: Revelation password * .vbm: Veeam Backup Metadata * .woff: Web Open Font Format