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Which Windows feature encrypts an entire drive volume to protect data on lost or stolen devices?

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  1. BitLocker
  2. Windows Defender Firewall
  3. System Restore

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References

  1. BitLocker overview, Microsoft Learn learn.microsoft.com/en-us/windows/security/operating-system-security/data-protection/bitlocker Checked 2026-10-10.

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Security & PrivacyFor BitLocker to work, the operating system drive must be formatted with which file system?Security & PrivacyWhich feature encrypts removable drives such as USB flash drives in Windows?Security & PrivacyWhich Windows feature encrypts individual files and folders on NTFS volumes?

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