“She never got over it, and, frankly, neither did any of her friends.” “Regular, trustworthy backups have been a fervor of religious proportions ever since I witnessed a writer friend lose an entire screenplay on a faulty drive,” says Ross LaManna, the chair of the undergraduate and graduate film departments at ArtCenter College of Design in Pasadena, California. It just might not feel that way - until you need it. If you’re not backing up your files and photos to the cloud, an external hard drive is a necessity.