When we delete computer files, we often right-click to delete them, and then the files are transferred to the recycle bin.
And the setting of this operation, obviously, is to avoid accidental deletion, there can be room for tactfulness, you can get the file back.
Of course, if you really don't want this file anymore, you can empty the recycle bin for safety.
However, some friends will feel that these two steps are really a bit cumbersome, and choose to use the permanent deletion function of Windows.
In fact, the so-called "permanent deletion" function of Windows actually refers to an operation, that is, the Shift+Delete shortcut.
When you delete a file with the Shift+Delete shortcut, Windows skips the step of moving the file to the recycle bin and marks the file as overwritten.
However, is this "permanent deletion" really permanently deleted?
This brings us back to the last three words of the explanation above, [overwritten], yes, this operation only marks the file as overwritten, not completely deleted.
Marking a file as overridable means that the file's metadata is updated in the file system to indicate that the storage space occupied by the file can now be used by the new data overwrite.
If you use this method to permanently delete some important data that needs to be kept private, I am afraid that you will not achieve the desired effect.
Because you only need to use some professional data recovery software or tools to scan the disk and detect the deleted but not overwritten file data, these data can be recovered.
So, don't be stupid and let Windows 10's "permanent deletion" fool you!
If you need to ensure that files are permanently deleted, it is recommended to use a specialized file destruction tool. These tools often overwrite the file's storage space multiple times, making it extremely difficult or nearly impossible to recover.
For example, the "file shredding" tool rewrites the sector data of the target file through different algorithms to ensure that the file data is permanently purged.
Generally speaking, many computer security antivirus software will configure this feature.
However, if you don't have this type of software installed and want to do it, you can download a single-function removal software.
File Shredder is a tool for safely deleting files, and by writing multiple times, it ensures that deleted files cannot be recovered by any recovery software, thus minimizing the risk of data breaches.
It offers a variety of erasure algorithms, such as Zero Fill, Random Data, DoD 5220.22-M, Gutmann, etc., each with different security levels and effects.
While users can choose different algorithms according to their needs, usually the higher the security level, the more thorough the deletion process, but it may take longer.
You may not know that in addition to the large number of private users, there are also many institutions that pay to use them.
Yes, it is divided into a free version and a paid version, where the free version contains basic features and erasing algorithms, while the paid version may offer more advanced features and technical support.
However, for most regular users, the free version is basically sufficient.
Okay, that's all for today's article, and everyone should pay attention to this point when they delete files in the future.
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