Learn how to protect your data with device encryption or standard BitLocker encryption in Windows 10 or 11. Find out if your device supports device encryption and how to turn it on or off.

BitLocker is the Windows encryption technology that protects your data from unauthorized access by encrypting your drive and requiring one or more factors of authentication before it will unlock it. Windows will require a BitLocker recovery key when it detects a possible unauthorized attempt to access the data.

Select the Start button, then select Settings > Update & Security > Device encryption. If Device encryption doesn't appear, it isn't available. If device encryption is turned off, select Turn on. Additional resources. Back up your BitLocker recovery key. Finding your BitLocker recovery key in Windows.

A TPM (Trusted Platform Module) is used to improve the security of your PC. It's used by services like BitLocker drive encryption , Windows Hello, and others, to securely create and store cryptographic keys, and to confirm that the operating system and firmware on your device are what they're supposed to be, and haven't been tampered with.

Fix BitLocker settings with the Surface BitLocker Protector Check tool. Surface Devices BitLocker Administration and Monitoring Surface. Use the Surface BitLocker Protector Check tool to help make sure BitLocker is set up correctly on your device.

When you try to run the BitLocker Drive Encryption program, you receive the following error message in a BitLocker Drive Encryption Error dialog box: Cannot run. The path specified in the Boot Configuration Data (BCD) for a BitLocker Drive Encryption integrity-protected application is incorrect.

A security vulnerability exists in certain Trusted Platform Module (TPM) chipsets. The vulnerability weakens key strength. This article helps identify and remedy problems in BitLocker protected-devices that are affected by the vulnerability that is described in Microsoft Security Advisory ADV170012.

Windows 10. File encryption helps protect your data by encrypting it. Only someone with the right encryption key (such as a password) can decrypt it. File encryption is not available in Windows 10 Home. Right-click (or press and hold) a file or folder and select Properties.

How you can safeguard your data. Here are some things you can do to help protect your files in OneDrive: Create a strong password. Check the strength of your password. Add security info to your Microsoft account. You can add info like your phone number, an alternate email address, and a security question and answer.