When it comes to safeguarding a movie collection, most people immediately think of Blu-rays and DVDs, or perhaps VHS tapes if they're nostalgic or going retro. After all, it would take some unique circumstances to destroy a digital movie by sitting on something or leaving it in the sun. I sometimes catch myself thinking of digital files as eternal -- certainly, they're holding out a lot better than those old Captain Power tapes, assuming my family still has them somewhere. How to keep digital movies and shows safe foreverOr until they're obsolete, anywayYour biggest priority can be summed up in one word: continuity. While digital storage is pretty resilient, even flash storage (such as SSDs) has a finite lifespan.