Encryption Shield can protect your computer more efficiently.As its powerful function: 1. 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, you can open, edit or save the file. After closing it, it is still in encrypted state, and there is no need to encrypt it again. 2. It applies password protection to folders. With password, the folder can be used without decrypting by Encryption Shield. Double-click the folder, and a password input box will come up. Only by inputting the correct password can you open it and it is still in encrypted state after you closing the folder. There is no need to encrypt it again with Encryption Shield. 3. 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. 4. You can specify a file as password. In this way, the encryption is fortified and you needn't memorize the password as well.