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    Overview Learn what you can do to help keep data secure in Microsoft Excel. Use passwords so that only you, or a select few, can open a workbook. See how to help protect data from
    Learn how to password-protect your Xbox Live profile, have the Xbox 360 remember your password, and change the password protection on your profile.
    Learn how to password-protect your Xbox Live profile, have the Xbox 360 remember your password, and change the password protection on your profile.
    Learn how you can help protect your computer with software that blocks or removes viruses, spyware, and other malicious or unwanted software.
    Windows does not support using passwords to protect shared folders, but you can control who is able to access a shared folder by setting sharing permissions.
    Learn how to use Drive Encryption to help protect files on your system drive and data drives.
    Learn how to use BitLocker Drive Encryption to help protect files on your system drive and data drives.
    With passwords, multiple people can password-protect their email on one shared computer. There are two scenarios: sharing at work/home, and sharing a public computer.
    Add a password to protect worksheets or your entire workbook and control whether others can open or make changes to them.

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