The system constantly reboot and freeze with an error message displayed on the screen or even stop working entirely without any notifications? Don't worry. Try EaseUS data recovery software to copy out all the critical files.
Hard disk does not respond and hear a few "biz biz" when you're trying to boot from it, and then it stops and becomes inaccessible? Try EaseUS data recovery software to recover data from the dead hard drive and do hard disk repair.
In general, however, data recovery software is safe and can be a helpful tool if you've lost important files with intuitive graphic user interface. However, it's essential to be careful when using these programs, as they can sometimes cause more damage to your device. If you're unsure whether it's safe to use data recovery software, it's always best to consult with a professional.
Data recovery software is a program that can be used to recover lost or deleted files from your computer. When a file is deleted, the data is not actually erased from your hard drive. Instead, the file space occupied is simply marked as empty and available for new data. As long as the old data is not overwritten, it can be recovered using special software. Data recovery tools work by scanning your hard drive for any traces of the lost data. Once they have located the data, they can then rebuild the files and save them to a new location. In most cases, data recovery software can successfully recover lost files with little to no damage. However, if the data has been overwritten, it will be much more difficult to recover.
When you run into situations like accidentally deleting files, emptying your recycle bin, dealing with a crashed computer, or even a virus attack, this program comes to the rescue. It offers two scanning modes: a quick scan that sweeps through your device swiftly to find lost files and a deep scan for more challenging recovery tasks where it meticulously searches every corner of your storage to unearth lost data.
Recover deleted files and data from formatted/lost/RAW partitions. Gets back all kinds of files like documents, pictures, videos, emails, and more. Simple for anyone to use. Compatible with Windows computers (Windows 11, 10, 8, 7) and various devices like hard drives, USB sticks, and SD cards. Perfect for anyone who needs to get back lost data without hassle.
EaseUS Data Recovery Wizard Free Edition supports data recovery from hard disk and other media, such as Memory card, USB flash drive, or SD card under Windows 2000, XP, 2003, Vista, 2008, Windows 7, 8. What's more, it supports dynamic disk and all file system FAT12, FAT16, FAT32, NTFS/NTFS5, exFAT, HFS+ and EXT2/EXT3. This free data recovery software ensures safe and precise format and delete recovery against numerous threats like: Drives that have been formatted or corrupted, missing critical file system structures, file deletion, application crash, computer viruses, partitioning or boot-up problems, damage due to a power failure or surge etc. When the data loss disaster strikes, that's when Data Recovery Wizard Free Edition does its amazing job. EaseUS Data Recovery Wizard Free has 500MB recovery limit.
I used Recuva and EASEUS Data Recovery Wizard to see if there's any difference in the files they recover. Both software were able to recover files that I want however most of the files where no longer usable. For example, for images, when you view them it's just black, for .doc files, MS Word can no longer open open them. They appear to be corrupted. This happens on both Recuva and EASEUS.
What happened was that those files were fragmented, and once they were deleted, the cluster chain was removed, so when the programs "recovered" them, what they did was to look at the starting location (which is still present) and the size of the file (which is also still present) and simply copied that many clusters in a row from the start.
This works fine if the files are stored in a single, contiguous block (i.e., defragmented), but if they were fragmented, then their blocks are spread out around the disk and the program has absolutely no way to know where/which ones to use; that's why most of the corrupted recovered files will have at least one cluster's worth of correct data, but then contain whatever happened to be in the subsequent clusters that used to belong to other files.
If the files are plain-text, then you could search the drive for unused clusters (which is a nightmare with a giant, nearly empty disk) and manually stitch the file back together (I did this a few times many years ago). But with binary files, this is effectively impossible. In fact, even with plain-text files, it is difficult at best if the file had been getting edited and saved after changes numerous times because it then becomes difficult to identify the clusters that contain blocks of the last version of the file.
The above explanation is how some data-recovery programs work. It is generally more reliable because it looks at real files that existed more recently. However (not surprisingly perhaps), it can miss out on some files. That is why other programs like PhotoRec use a different approach. Instead of looking at a deleted file's information (filename, size, timestamp, starting cluster) in directory entry and then copying the clusters from the disk, they search the whole disk for lost files.
Most file types have a signature (usually at the start of the file, in the header) which contains a sequence of bytes that identify the file as a certain type. Because of this, programs that open a file can determine if the file is teh correct type and other programs can verify the type of a file.
What some data-recovery programs do is to search the disk and check each cluster to see if they contain the signature of various different file types. If a cluster contains a signature, then it copies that cluster (and more depending on various factors) to a file.
It doesn't help after losing files, but for future reference, the best way to increase the chances of a successful recovery is to keep the disk defragmented (have the system automatically defragment when it idles).
So, yes, fragmentation can be an issue when recovering data but is not by definition. For example, it depends highly on the file system you are recovering data from. It also depends on how the data was lost.
For example, assume a formatted volume and we'll compare FAT based FS vs. NTFS: Yes, in the FAT based FS (FAT32, exFAT) fragmented files are an issue because the file allocation tables were wiped during the format. On NTFS most MFT entries will survive and as long we have those fragmented file recovery is no issue at all as we have the complete runlists for the files.
Example 2: a RAW volume. This can be caused by major file system corruption but also by something as simple as a corrupted boot sector BIOS parameter block. If the latter on both FAT32, exFAT and NTFS volume you should be able to achieve a close to 100% perfect recovery, fragmented files or not. However the reason that popular tools like Recuva and Easeus often fail in these situations are that they're not that good in working out a valid virtual file system.
Then one remark about software that scans for file signatures, or 'carvers'. It is true that for many files it is not possible to detect a file end so you potentially end up with huge files. However there's plenty of files that you can detect file ends for + there a number of rules of thumb you could apply here too.
There are tools specifically designed to puzzle together fragmented files even with absence of any valid file system structures. However, they often work only for very specific file types, such as JPEG, or MP4 or XLS. The reason for this being they need specialized 'knowledge' about the actual file structure to reconstruct valid files.
Also, by doing scans using different tools to determine which is 'best' wastes time. Depending on the cause of the data loss an unstable drive may further deteriorate and if you're for example aiming to recover deleted files, every second you waste risks part of such files being overwritten.
Canceling a scan for lost files during data recovery should not damage or remove your existing files. However, incomplete or inaccurate recovery results may occur. It's advisable to have backups of important data to prevent data loss.
All the download links since ver 9.10 are listed below. The installers you get from these download links are the Trial for each different versions. To unlock them and enjoy the features in the full version, please activate with your license code.
EaseUS Data Recovery Wizard 13.8
EaseUS Data Recovery Wizard 12.9.1
EaseUS Data Recovery Wizard 11.9
EaseUS Data Recovery Wizard 10.8
If you placed the order but failed to receive the license code after ONE hour, even after checking the Spam folder, please visit this link to retrieve it. Please check the details as shown in the screenshot.
Please launch EaseUS Data Recovery Wizard and find the ACTIVATE or UPGRADE icon on the right top corner. It will pop up an activation box by clicking that icon. Please check the screenshot below.
If the activation fails or the computer is not connected to Internet, click here to follow the instructions of the Offline Activation.
Normally the refund request are processed by our technical support team. It is recommended to send a refund request to techs...@easeus.com. Our support will deal with your refund within 24 hours.
EaseUS Data Recovery Wizard provides Trial version and Free version to test the recovery quality. The Trial version is a preview version with no free recovery, while the Free version grants 2 GB free recovery. You are suggested to follow the guide in the page below to obtain the 2GB free recovery in the correct Free version.
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After completing a full search with EaseUS Data Recovery Wizard Free or Trial version, you will be presented with a list of files found by the software, and you can use the preview function to check if the content of the files is still intact and recoverable. If a file enables a good preview, it will be successfully recovered by our program. If it does not enable a good preview, please contact our Livechat support to have a double check with the recovery possibility of that file.
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