All that was needed to be done to preserve the emails was to pull one set of full backups once the subpeona was received and replace the set with fresh tapes. There were many things that could have been done, but weren't. For what appears to be obvious reasons.
No major corporation in the US would retain LESS than 7 years worth of data. This 6 months garbage is a ruse. It’s not real.
How much do you want to wager that if some Democrat concocted a case about Bush and demanded emails from 2007-2008, they’d have those records readily available in every format imaginable?