Dropbox is a useful tool that enables you to instantly store your files online, sync and share them. It can also synchronize the files from your offline directories and online storage. Dropbox works seamlessly with your operating system and automatically makes sure your files are up-to-date. Available for Windows, Mac, and Linux. Features Once installed, any file you drop into your Dropbox folder will synchronize and be available on any other computer you’ve installed Dropbox on, as well as from the web.