Keep your memories safe and secure Our computer, smartphone and tablet store all sorts of personal and important files for us. We use them for work, entertainment and learning, which means we build up a large library of files that we cannot afford to lose. Knowhow Cloud Backup is an easy way to keep your photos, files and videos securely backed up online. Our easy-to-use software and apps will continue to backup your computer, smartphone or tablet without you having to remember. Once backed up, your files can be accessed whenever you need them, anywhere in the world.