Hi You are assuming that the ECC was not part of the corruption? Again, I don't think you have really done a recovery project. You've just allowed the tool to do it for you. You need a little more experience under your belt before you can truly understand the issues. Do you fully understand the limitations of ECC's? Have you actually worked with some of the algorithms? And yes, I can see a day when even ZIP might be lost. How many Mickey Mouse watches were made and how many exist today. Sometimes, being more common makes the item more likely to be lost. Again, I'm looking at how things have been treated in the past. What mistakes were made. These are the types of things that are most likely to trip us up in the future. If one doesn't learn from mistakes ...... Sorry for talking about such a volatile subject. I'm just glad that the person actually working on the project at the museum has researched the subject enough to recognize the many pitfalls. Dwight