Secret Data Manager is a great tool for computer users to keep their private files in encrypted status. Anyone who is looking for a powerful and convenient software to protect data from being read, or even stole should try this Windows Explorer style tool. Secret Data Manager is simple and strong. You do not need extra training if you can use Windows. Its core feature is encryption and decryption and it supports multiple users and various file types. It also offers common file management like Windows Explorer. Secret Data Manager has implemented special algorithm in encryption and decryption. This algorithm has been updated in every versions. It is much safer than normal, static or open source products. In addition, its bookmark feature enable users open or modify an encrypted file directly; its hide feature help users disappear files or folders from seekers. Since 3.0, File Safe and History are added.