I gotta say it again, be careful with this. I did this with thousands of items and have only been able to get 10% or so of it back now. Everything else is missing from database. I know I've said it alot, I just would hate to see anyone lose a lot of their clothing/furniture/whatevers from this issue.
I keep two of everything. At least, and at least one older version of things I've received updates for.