Comment Formats and CD longevity (Score 1) 245
CD manufacturers claim that 100 years is the lifespan of CDs, clearly this has only been achieved through an accelerated testing environment.
CDs should be migrated every few years in order to safely know that they will survive. Again, keep those CDs in separate locations if possible.
TNA have some guidance on media handling on their Digital Preservation pages: Digtal Preservation advice