You can access Dropbox and the files you’ve saved to it from any device that has a web browser. Just sign up for an account, download an app to your computer or mobile device, and move your files into it to back them up. One way to do both is to use a service like Dropbox, which can provide cloud-based storage and backup for important files.īut what is Dropbox? It’s an easy-to-use file sharing and cloud storage platform. They also want to back up their work in case something happens to their primary device. A lot of people - and companies - need an easy way to sync files across devices and share large files with others.