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SESK: Stuff Everyone Should Know · sesk.info/aplus-bitlocker-volume

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

BitLocker encrypts entire volumes.

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

Why: BitLocker is built into Windows to protect against data theft or exposure from lost, stolen or decommissioned devices. It works best together with a TPM.

Huh, didn't know that: BitLocker can also require a PIN or startup key in addition to the TPM.

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References

Answer: BitLocker. BitLocker is built into Windows to protect against data theft or exposure from lost, stolen or decommissioned devices. It works best together with a TPM.

  1. BitLocker overview, Microsoft Learn learn.microsoft.com/en-us/windows/security/operating-system-security/data-protection/bitlocker
    BitLocker is a Windows security feature that provides encryption for entire volumes
    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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