

Dropbox is blocked again in China, both apps and web-based service appear affected ( 页面存档备份,存于 互联网档案馆). All files stored online by Dropbox are encrypted and kept securely on Amazon's Simple Storage Service (S3) in data centers located along the east coast of the United States. There is, however, a 300MB cap on files transferred via the website. Files uploaded to Dropbox via the desktop application have no file size limit. ^ Is there a limit or maximum to how big my files can be?.Before transferring a file, we compare the new file to the previous version and only send the piece of the file that changed.

^ Does Dropbox always upload/download the entire file any time a change is made?.Dropbox Syncs and Backs Up Files Between Computers Instantaneously.

