I once had a bug that wiped a handful of documents. Spent hours writing them, opened them a few months later and they were blank. In some cases, it replaces all

I once had a bug that wiped a handful of documents. Spent hours writing them, opened them a few months later and they were blank. In some cases, it replaces all of the characters with #s. It's something to do with the autosave feature, I believe.