Data encryption and security is a serious concern for business and personal computer use. TrueCrypt is free data encryption software that can encrypt volumes on either an individual partition or an entire storage device. It is supported on Windows 7, Vista, XP, Mac OS X and Linux.

In TrueCrypt, there are three different options for Volume Creation.The first option is to create an encrypted file which can be mounted and used as a drive. The file created by using this method can be copied and emailed or moved to a different space and still retain its encryption. The second option is to encrypt a non-system partition or drive like a flash drive or other external storage device. The last option is the same as the second option except it requires the user to enter a password before the OS boots to fully protect the encrypted files. This option can only encrypt Windows XP, 2003, 2008, Vista and Windows 7 operating systems.
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