The 750 GB is unformatted . . .and is probably measured using 1000 MB per GB instead of the actual 1024 MB per GB. 700 formatted is about right for a "750 GB" drive. The extra space isn't really lost . . . it was just never there in the first place:-) On May 24, 2009, at 1:27 PM, Germain M. wrote: > Hello, > I bought a SimpleTech 750gig external HD. It was Windows formatted > in the first place. Once mounted, info window showed the drive had > 699 gig free. As suggested in the instruction manual (and as should > be done) anyway), I reformated the drive Mac OS Extended journaled. > Still 699 gig free. Is there a way te recover this huge amount of > lost gig? What are they used for and by what (whom)? Are there some > hidden Windows programs and files left on the HD. If so, how to et > rid of them to recover that space? > > First, I wanted to format the drivve with the "zero" option in Disk > Utility but it told me ot would take 7 hours and I didn't want to > wait. This is the very first external HD I buy. >