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.
Select the Advanced button and select the Encrypt contents to secure data check box.
Select OK to close the Advanced Attributes window, select Apply, and then select OK.
Article ID: 4026312 - Last Review: Nov 20, 2017 - Revision: 6