In order to Add the encrypt/decrypt options in the right click menu, do the following.
1. Click the “Start” button.
2.Open “regedit.exe” by typing it in the search box.
3. Find the following registry key.
4.”HKEY_CURRENT_USER\Software\Microsoft\Windows\
CurrentVersion\Explorer\Advanced“.
5. In the right pane, create a new 32-bit DWORD value called “EncryptionContextMenu“ .
6. Give the value as “1“.
7.Now Right click on any file or folder to see the encrypt menu.
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