This encryption software is easy to use,and it have many power features.The features as the following:It can encrypt files of any type or length. The encrypted file can be used without decrypting by Encryption Shield. Double-click the file, then a password input box will popup. After putting in the correct password, then you can open it, edit or save the file. After closing it, it is still in encrypted state, and there is no need to encrypt it again.Using powerful algorithms to encrypt files/folders: Rijndael with 256 bit key (AES 256, now it is Advanced Encryption Standard), Blowfish, DES, 3DES, and there is no possibility for decryption.You can select an authorized disk during encryption. In this way, even if others get your passwords, without the authorized disk they are unable to decrypt your files. Moreover, an authorized disk can free you from memorizing the passwords. You can specify a file as password. In this way, the encryption is fortified and you needn't memorize the password as well.You can hide the encrypted file inside another file, such as a picture, MP3 or .exe file, which we refer to as "host file". The host file will not be damaged by the operation and you can still view the picture, play MP3 and run .exe file. No one would imagine that there are encrypted files hidden in them!It can hide a folder in a second, no matter how big they are. For this function, it exceeds other similar software in the following: It supports windows 98,Windows 2000,Windows XP (not support Windows NT). It provides ternary protections with folders thus bringing your data security to a higher level. The hidden folder are invisible even under safe mode or pure DOS! It can lock a folder. The locked folder can not be deleted, renamed or copied. You are unable to visit any file in it, either,and so on