Dropbox will only upload the changed part of the big file. I did this in the past using a Truecrypt volume within Dropbox. Now I use Boxcryptor, which encrypts each file separately and which is more convenient for mobile use (there is an app for Boxcrypto
相關軟體 TrueCrypt 下載
TrueCrypt 是一個免費的磁碟加密軟體,支援多種加密演算法例如: Twofish、Serpent 等。 目前為 USB 隨身碟等行動裝置的使用普及。 此款加密檔案為免費軟體...