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Windows XP Professional: The Missing Manual by L.J. Zacker, Craig Zacker, David Pogue

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Encrypting Files and Folders

If your My Documents folder contains nothing but laundry lists and letters to your mom, data security is probably not a major concern for you. But if there’s some stuff on your hard drive that you’d rather keep private—you know who you are—Windows XP Professional can help you out. The Encrypting File System (EFS) is an NTFS feature that stores your data in a coded format that only you can read.

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