What is Dropbox? Dropbox is an invaluable tool that allows you to keep all your important files synchronized between devices from a cloud storage system.
You can simply drag and drop files from any computer or mobile device to the Dropbox icon, and the file automatically and securely uploads to all connected devices for always there, easy access. It works across all platforms, even Macs and PCs as well as Tablets and phones.
There is a 2GB limit for the free plan. Then it costs $9.99 a month of 50 GB, $19.99 for 100 GB. Custom designed plan are available for groups and larger storage needs.