Data Recovery Digest

Do-It-Yourself Windows File Recovery Software: A Comparison

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Professional Data Recovery Software: A Comparison

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UFS Explorer Professional Recovery

UFS Explorer Professional Recovery

Overall product rating: 4 Compare

Very decent overall data recovery program, though it yields slightly to R-Studio and Restorer Ultimate in terms of recovery features and performance.

Strengths: Unrivalled set of supported file systems makes this another must-have for any data recovery professional.

Weaknesses: Limited file preview capabilities.

Interface and Features Detailed Results

Localization support: 4.5 Compare

Supported Interface Languages: 3 Compare

Languages supported: English, German, Russian.

Language management: Language change requires program restart.

Localized File Name Recognition: 6 Compare

Language tested: French, Russian, Arabian, Japanese, and Chinese.

Recognized all tested localized characters in file and folder names.

Demo version restrictions: 3.5 Compare

File preview for files up to 64 KB.
Recovers file sizes up to 64 KB.
Some limitations on built-in hex editor.
No time limit for the demo version.

File preview: 3 Compare

No built-in previewer. Individual files can be saved to a temporary folder and then launched in a third-party application (if installed).

Standard file recovery features: 3.5 Compare

File systems supported for file recovery: 6 Compare

NTFS, FAT12/16/32/ExFAT, ReFS, XFS, ZFS, JFS, Ext2/Ext3/Ext4FS, HFS+, UFS/UFS2, Novell NWFS/NSS, VMware VMFS

Deep analysis of disks (disk scan): 5 Compare

Good range of scan parameters. Supports partial disk scans.
Selected scan results can be stored in a file and loaded later.

File recovery using file signatures (raw file recovery): 5.5 Compare

Raw file recovery support for partitions.
IntelliRAW technology allows recovery of some fragmented files.
Raw file recovery can be disabled, if necessary.
No support for custom file signatures.

Disk imaging and copying: 5 Compare

Image types: byte-by-byte and compressed.
Disk images can be loaded from devices with any file system supported by the program, even if Windows doesn’t support it. Native support for VMware VMFS file system (used in virtual machines); loads VMFS images directly in the file recovery program.

File search, mark for recovery, sorting: 3 Compare

Filters and sorting: Similar to Windows Explorer.

File search: File search for name or/and extension and size.

Logging: 1 Compare

No logging feature. Files are shown while being restored, but this data cannot be saved to a log file.

Disk parts/regions: 0 Compare

No support for disk regions.

File recovery parameters: 3 Compare

Recovers file names and folder structure.

Advanced data recovery features: 3.5 Compare

RAID recovery features: 4.5 Compare

Direct access to a virtual RAID. Only disks and images can be added to a virtual RAID.

Standard RAID level presets: 5 Compare

JBOD, RAID 0 (Stripe Set), RAID 1(Mirror), RAID3, RAID 4, RAID 5, RAID 5 with parity delays, RAID 6 (Reed-Solomon), RAID 6 (Double Xor), with all their variants.

User-defined RAID layouts: 5 Compare

The user can specify very complex RAID layouts using a special language for RAID description files.

Automatic RAID parameter detection: 0 Compare

No such feature.

Network data recovery: 0 Compare

No such feature.

Hexadecimal editor: 4.5 Compare

The editor has all standard features. Data may be represented in any coding or as hex values. Excellent navigation.
Only disk objects (real or virtual) can be edited.

Startup version: 6 Compare

UFS Explorer Backup and Emergency Recovery CD: Equivalent in its features to the Windows version of UFS Explorer.

Overall interface and features: 3.5 Compare

File Recovery Performance Detailed Results

Deleted files (Recycle Bin bypassed): 4.5 Compare

Deleted Files (NTFS): 5.5 Compare

Disk 1 – Disk Size: 1 GB, Partition Size 1 GB
Disk 2 – Disk Size: 1 GB, Partition Size: 500 MB
All files and folder information found successfully, except the avi file, which was found but appeared damaged. No disk scan required.

Deleted Files (FAT32): 4 Compare

Disk 1 – Disk size: 1 GB, Partition size: 1 GB
Disk 2 – Disk size: 1 GB, Partition size: 500 MB
No files were found during the standard scan. After scanning for file signatures (IntelliRAW), the following files were found: jpg, png, tiff, mpg, doc, xls, pdf, mp3. The following files were found but appeared damaged: avi, zip.
No folder information recovered.

Emptied Recycle Bin: 5 Compare

Emptied Recycle Bin (NTFS): 5 Compare

Disk 1 - Disk size: 1 GB, Partition size: 1 GB
Disk 2 - Disk size: 1 GB, Partition size: 500 MB
All files were found in the $Recycle.Bin folder with altered names after scanning the partition. All files, except avi, acc, and mp3, were successfully recovered.
The folder and file names could be successfully recovered starting from the second level.

Emptied Recycle Bin (FAT32): 5 Compare

Disk 1 – Disk size: 1 GB, Partition size: 1 GB
Disk 2 – Disk size: 1 GB, Partition size: 500 MB
Most files were found in the original folder with original names without scanning.
The same files were also found in the $Recycle.Bin folder with altered names.
For the first disk setup, the avi file appeared damaged both in the original place and in Recycling Bin.
For the second disk setup, the program recovered the avi, mp3 and acc files incorrectly.

Disk reformat: 4.5 Compare

Disk Reformat – NTFS to NTFS: 4.5 Compare

Disk 1 – Disk size: 1 GB, Partition size: 1 GB
Disk 2 – Disk size: 2 GB, Partition size: 1 GB
Most files were found successfully, and several ones were successfully recovered after disk scan using IntelliRAW.
Unsuccessfully recovered files: zip, acc, doc, docx, xlsx, odt, ods, txt, flv, mp4, m4v, exe.
The avi file appeared with double the file size, but it could be played correctly.

Disk Reformat – FAT32 to FAT32: 5.5 Compare

Disk - Disk 1 size: 1 GB, Partition size: 1 GB
Disk – Disk 2 size: 2 GB, Partition size: 1 MB
All files, except rar, were found in the original folders with original names and successfully recovered after disk scan.

Disk Reformat – NTFS to FAT32: 6 Compare

Disk 1 - Disk size: 1 GB, Partition size: 1 GB
Disk 2 – Disk size: 1 GB, Partition size: 500 MB
All files were found in the original folders with original names and successfully recovered after disk scan.

Disk Reformat – FAT32 to NTFS: 2.5 Compare

Disk 1 – Disk size: 1 GB, Partition size: 1 GB
Disk 2 – Disk size: 2 GB, Partition size: 1 GB
Only a few files were found in the IntelliRAW after disk scan.
Successfully recovered: mpg, avi

Damaged partition: 4.5 Compare

Damaged Partition (NTFS): 5.5 Compare

File System Damage: Signature FILE deleted using a hex editor
Disk 1 - Disk size: 1 GB, Partition size: 1 GB
Disk 2- Disk size: 2 GB, Partition size: 500 MB
All files with correct file names were found in correct folders and successfully recovered after disk scan.

Damaged Partition (FAT32): 5 Compare

File System Damage: Bytes per sector and Sectors per cluster were deleted using a hex editor
Disk size: 512 MB, Partition size: 512 MB
All files were found in their original folders with original names and successfully recovered after performing a disk scan.

Damaged Partition (FAT32): 5 Compare

File System Damage: Bytes per sector and Sectors per cluster were deleted using a hex editor
Disk size: 2 GB, Partition size: 500 MB
All files were found in their original folders with original names and successfully recovered after disk scan.

Damaged Partition (FAT16): 3 Compare

File System Damage: Bytes per sector and Sectors per cluster were deleted using a hex editor
Disk size: 256 MB, Partition size: 256 MB
Some files were found in the original folders with original names and several ones were successfully recovered after disk scan.
Successfully recovered: acc, mp3, jpg, png, tiff
Unsuccessfully recovered files: zip, rar, avi
Files not found: doc, docx, xls, xlsx, odt, ods, pdf, txt, flv, mp4, mpg, m4v

Deleted partition: 6 Compare

Disk 1 (NTFS) – Disk size: 1 GB, Partition size: 500 MB
Disk 2 (FAT32) – Disk size: 1 GB, Partition size: 500 MB
All files were found in their original folders with original names and successfully recovered after disk scan.

RAID Recovery: 3.5 Compare

RAID 0 (2 Disks): 3 Compare

Files could only be found using IntelliRAW (using file signatures). The file and folder names couldn’t be recovered.

RAID 5 (3 Disks): 4.5 Compare

Most (not all) files were found in their original folders with original names and successfully recovered after disk scan.

Overall file recovery performance: 4.5 Compare

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