M-DISCs were created with the intent to store data for long periods of time: https://en.wikipedia.org/wiki/M-DISC https://en.wikipedia.org/wiki/M-DISC The com

M-DISCs were created with the intent to store data for long periods of time: https://en.wikipedia.org/wiki/M-DISC https://en.wikipedia.org/wiki/M-DISC The company claim is 1000 years of storage life. Independent testers have rated it for up to several hundred years. The main drawback is ensuring that DVD / Blu-ray readers still exist that far into the future.