The easiest way would be to just write a spec for the data format, which I think they already have? If any tooling fails in 25 years, you can at least write a

The easiest way would be to just write a spec for the data format, which I think they already have? If any tooling fails in 25 years, you can at least write a new program to get your data back out. Then you can import it into the next hot thing.