About EFS
What isEFS?
How does it work?
However, this barrier can be easily avoided if an attacker gains physical access to users computers.

Windows EFS can help users avoid the above risk easily.
These keys are generated, depending on cryptographic algorithms based on mathematical problems to produce one-way functions.
Process of Encryption
Tip: This operation can be adopted in NTFS partition.

Step 1: Press Windows and E on keyboard to open Windows Explorer.
Step 2: Choose a file or folder to be encrypted and right-click it.
Click Properties option at the bottom.

Step 3: ClickAdvancedbutton in the General screen on the new pop-up window.
Step 4: ChooseEncrypt contents to secure dataand then clickOK.
Step 5: After going back to the Properties window, clickOKbutton.

An Encryption Warning dialog will display.
Step 6: ClickEncrypt the File Onlyto encrypt the individual file, then clickOKto finish.
Step 2: Right-smack the file and clickProperties.

Step 3: ClickAdvancedbutton on the General tab.
Step 4: Uncheck the box next to Encrypt Contents to Secure Data, then click theOKbutton.
Step 5: ClickOKbutton to terminate the file properties and complete the file decryption.
In this situation, follow the steps displayed in the following content.
Step 1: ClickDetailsbutton.
Step 2: ClickAddbutton to display the Select User dialog box.
Step 4: ClickOKto end the Encryption Details dialog box.