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.
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Previous versions are either copies of files and folders created by Windows Backup or copies of files and folders that Windows automatically saves as part of a restore point. You can use previous versions to restore files and folders that you accidentally modified or deleted, or that were damaged.
Right-click on the file and select "Restore previous versions". You'll get a popup that may say "There are no previous versions available" but if you're lucky, it'll start out reporting that it's searching (for possibly many seconds) for previous versions and then list the ones it's saved. Here's what it showed for me on a source file I've been working on recently but for which I had never requested any automatic backup.
NTFS is a journaling file system, meaning it's one that can track changes in files. That got turned on in Win7. Consistent with that being the start of the journaling, I found that it had snapshots of files I'd changed going back to my installation of Win7 but not of files that were older.
A file recover utility did the trick for me in a similar situation. Recuva has very good reviews and actually was able to recover several older versions of a power-point presentation I had inadvertently overwritten.
Free continuous backup software like DeltaCopy would allow you to pull the previous versions out of the backup destination, and that's a good thing to implement once you have recovered the desired version of your file.
When you modify and save (or a Windows app autosaves) a file, the prior version of the file is thrown away. It's probably still there, for Windows does not normally truly erase a deleted or modified file, instead marking the space the file previously used as reusable. If the file is erased, Windows then breaks the link between the space used by the file to the file name; if the file is modified, Windows changes the link of the file name to point to the new location.
Windows has written and replaced 3,600+ files so far today in six hours of use on my PC, and probably thousands on yours; it is very disk-intensive. Therefore, please abstain from using your PC for anything until you do these recovery steps.
a) Download the Testdisk software file for your OS.
b) Extract its files to a directory on a drive (an external USB attached drive is recommended) which was NOT used to save the desired Word file.
c) Read the README file.
d) Launch Photorec.
e) Specify recovery from the source drive where the file was.
f) Specify recovery to a destination drive (so it is not overwriting any clusters which might contain your data).
g) Start the recovery scan.
h) When scan completes, open the destination directory. A file name will have been randomly assigned by Photorec but the extension will match what you're looking for.
i) Open each of the recovered Word files which match the size (plus/minus 5%) of the file in question. Check to see what they contain. Delete them if not what you want.
Office (tested with Office 365 V1909) saves files for Word, Excel etc. in a similar way creating various temporary files. Instead of modifying the original file it creates a new file and renames and deletes the old one containing the old version.
IMPORTANT: make sure not to use the drive where the word file is stored until you are finished with recovering your deleted files. Space occupied by deleted files will be overwritten sooner or later when new data is saved on that drive.
I was working with a document, transferring it from Word to Libre office. When it asked if I wanted to save as an ODT document, over the document that already existed with that name, I thought I was just replacing the Word document with the ODT.
But in another folder, there was a document with the same name, and it saved over THAT one. Is there any way I can recover the document from the other folder that I did not mean to erase??
Although the links removed from the answers were spam, the point is valid that @Krunal1 now is engaged in a forensics operation of trying to recover an overwritten file from the disk if the backup was not enabled. I have used GPL 2+ applications TestDisk and PhotoRec for forensic recovery, both presently openly available online and (apparently) still being developed. Recovery of such data is hardly assured; often better to immediately recreate.
If you run Windows 7 you might be lucky to get the old version. In windows Explorer navigate to the file, right click on it, select Properties, select Previous Version (a Tab in the window). Windows is searching for older versions of the file. If an older version(s) shows up, select it and press the Copy button which allows you to copy the older version in a folder of your choice.
Otherwise it is necessary to try only this way:
DOC Repair Kit is a comprehensive Microsoft Word DOC repair tool with immense potential and an interface that makes the entire procedure a snap. Based on a lightning-fast proprietary core, the program knows how to repair Word DOC files in situations when other tools appear completely helpless.
Remove the drives from your NAS station and attach them locally to your machine. Make sure the drives are all recognized by Windows Disk Management. If you are trying to recover a RAID-5, it is Ok to attach one drive less than the total number of drives in that NAS. NAS Data Recovery also works with images of your drives.
Install NAS Data Recovery to your computer and start the program. A wizard will guide you through the recovery. A couple of minutes later, an Explorer-like window will show all recoverable files and folders. Now you can copy your data over to another disk. You can also view many file types before copying them, e.g., pictures, documents, etc.
NAS Data Recovery is easy to use. It automatically finds all parameters needed for the recovery, such as RAID start sector, block size, rotation, and drive order. No data recovery background required. No need to buy any other software.
Raise Data Recovery is a cost-effective data recovery utility designed to simplify the process of retrieving lost files affected by accidental deletion, formatting, system crashes, and other common factors.
Raise Data Recovery is a beginners-friendly application designed to save you costs and efforts in rescuing lost files. If you have higher requirements to your data recovery tools, check out more advanced products of SysDev Laboratories:
I know that if I delete a file it won't actually be 'deleted' as such, just marked as 'can be overridden when needed' so that when that space is needed the file will just be overridden, and this means that after a file is deleted it is possible to recover it even though all links to it will be gone (if any of this information is incorrect please edit this question to explain it in the correct way).
But is the same true for files which have just been edited? Can one recover the previous version of a file if the previous version hasn't been made into a .save file or something? That is, if I edit a file and then save my changes, is there any way to recover the previous version of the file like one can do with deleted files? And if not, if one does not want anyone to be able to properly recover deleted files, should one first edit the file and replace the contents with something else?
Finally, do tools which 'shred' files such as BleachBit just overwrite the contents of a file with other contents (such as an encrypted version of the file where the private key is deleted) before deleting it or do they use another method?
But please note that I am not asking about how to log file changes, I am asking this question because I want to know if editing a file before deleting it is safer than just deleting it or whether previous versions can be recovered. I am not interested in answers telling me that I should use version control systems to monitor file changes.
If I understand what you are asking, the answer is no. If you make changes to a file, that file's data is over-written where it's at. It's not like deleting a file, which tells the system that it can overwrite this data and new data can take it's position on the hard-disk. The data is overwritten, and the previous version can no longer be recovered because (I sound repetitive now) it was already overwritten. To include a point made in the comments, it is important to note that if you edit the contents of a file and the resulting file is smaller than the original, then some of the data can still be recovered. As such, it would probably be safest to open the file in a text editor (no matter the type of file), clear out all of the contents as they are, and then sit on a key for an hour, spamming the file with a single character. Then, you can create a file of some very large size with just one character in it over and over and over. Of course, solid-state and flash memory works a bit differently, and it seems like the safest bet is to always use encryption on those types of storage. 152ee80cbc
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