PhotoRec is a companion program for TestDisk. Those more familiar with such procedures should find TestDisk a handy tool in performing onsite recovery. 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. TestDisk has features for both novices and experts.
Recover NTFS boot sector from its backup. Recover FAT32 boot sector from its backup. Fix partition table, recover deleted partition. Partition table recovery using TestDisk is really easy. 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). It searches for following files and is able to undelete them: * Sun/NeXT audio data (.au) * RIFF audio/video (.avi/.wav) * BMP bitmap (.bmp) * bzip2 compressed data (.bz2) * Source code written in C (.c) * Canon Raw picture (.crw) * Canon catalog (.ctg) * FAT subdirectory * Microsoft Office Document (.doc) * Nikon dsc (.dsc) * HTML page (.html) * JPEG picture (.jpg) * MOV video (.mov) * MP3 audio (MPEG ADTS, layer III, v1) (.mp3) * Moving Picture Experts Group video (.mpg) * Minolta Raw picture (.mrw) * Olympus Raw Format picture (.orf) * Portable Document Format (.pdf) * Perl script (.pl) * Portable Network Graphics (.png) * Raw Fujifilm picture (.raf) * Contax picture (.raw) * Rollei picture (.rdc) * Rich Text Format (.rtf) * Shell script (.sh) * Tar archive (.tar ) * Tag Image File Format (.tiff) * Microsoft ASF (.wma) * Sigma/Foveon X3 raw picture (.x3f) * zip archive (.TestDisk is a powerful free data recovery software. It has been extended to search also for non audio/video headers. 
PhotoRec is file data recovery software designed to recover lost pictures from digital camera memory or even Hard Disks. It works with : * DOS/Windows FAT12, FAT16 and FAT32 * NTFS ( Windows NT/2K/XP ) * Linux Ext2 and Ext3 * BeFS ( BeOS ) * BSD disklabel ( FreeBSD/OpenBSD/NetBSD ) * CramFS (Compressed File System) * HFS and HFS+, Hierarchical File System * JFS, IBM's Journaled File System * Linux Raid * Linux Swap (versions 1 and 2) * LVM and LVM2, Linux Logical Volume Manager * Netware NSS * ReiserFS 3.5 and 3.6 * Sun Solaris i386 disklabel * UFS and UFS2 (Sun/BSD/.) * XFS, SGI's Journaled File System It is very useful in forensics, recovering lost partitions. TestDisk checks the partition and boot sectors of your disks.
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