How to delete files completely to prevent file recovery

Q: Do I delete files in a folder and then copy other files in this folder to prevent data recovery software from recovering files that were deleted before? Will the files under the same folder be in the same sector?

A: The same folder file may not exist in the same sector, if you want to prevent data recovery, you can choose to file shredding tools, Dong Master think that these several tools are good, you can choose a use according to the situation: RVL File Shredder, neurons Eraser, Eraser, DP Shredder.

If you are using Windows 2000 and above and the target disk partition file system is NTFS, you can also use the tools built into the system Cipher.exe. You can type at the command line prompt:

CIPHER/W Letter: Table of Contents

The directory is optional for the folder you want to work with. For example, to clear e disk, type this command:

cipher/w e:

In turn, it fills in all the free space in the partition with 0x00, 0XFF, and random data, eliminating any traces of deleted files. If the partition is not in NTFS format, you need to use the tools mentioned earlier.