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secure format?

Last response: in Storage
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November 17, 2008 6:17:06 PM

I formatted one of my external hard drive as I'm planning to sell it. I used the regular (non-quick) option.

So is the data that was previously on the hard drive irrecoverable? Or is there some program I must use that can do this. I ask this because 'I think' I remember reading about other programs that can recover data even from a full format. But I never messed with stuff like that.

using winxp

More about : secure format

November 17, 2008 6:39:43 PM

Thanks. Looks like I will use the first one.
I wonder why the DOD way is necessary.
November 17, 2008 6:49:36 PM

Because some people claim that even after wiping the drive it is still possible to pull data off with recovery tools. If you were to wipe writing all 1's or all 0's to the disk it may be possible. If it is using a good pseudo-random generator for the writes it is highly unlikely that it will be recovered.
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