Germany has run a program for decades to recover the Stasi's paper documents, the bulk of which it shredded at the fall of the GDR. People can sometimes get their own Stasi files, if they're recovered.
https://www.dw.com/en/how-ai-could-solve-a-600-million-piece...
https://www.wired.com/2008/01/ff-stasi/
https://boingboing.net/2018/01/09/truth-reconciliation-and-t...
Surprisingly, there's never been an HN thread about this (as far as I can tell).
From the Wired link: "Today, the study in Poppe's Berlin apartment is lined floor to 12-foot ceiling with bookshelves full of volumes on art, literature, and political science. But one shelf, just to the left of her desk, is special. It holds a pair of 3-inch-thick black binders — copies of the most important documents in Poppe's secret police files. This is her Stasi shelf."