Minecraft wiki entry for Migrating_saved_game_data_to_the_cloud, associated text: The first step is to download Dropbox. Dropbox is a nifty little tool that automatically syncs content to their servers and allows you to access it both online and through a client on your PC. The good thing about Dropbox is that it is cross-platform, plus available on the web and web-enabled smartphones. (Note: you can also use another cloud storage program that has a downloadable client [folder that syncs to the web], such as Google Drive, etc.)